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23023013111031 = 373185897565517
BaseRepresentation
bin1010011110000011101101…
…00001001010010011110111
310000111222102100221221122110
411033001312201022103313
511004202112324023111
6120544343132302103
74564233504343113
oct517016641122367
9100458370857573
1023023013111031
11737700676873a
1226ba020611933
13cb00a38136ab
14598469696743
1529dd34b295a6
hex14f07684a4f7

23023013111031 has 16 divisors (see below), whose sum is σ = 31118084888544. Its totient is φ = 15138311376384.

The previous prime is 23023013111017. The next prime is 23023013111047. The reversal of 23023013111031 is 13011131032032.

It is a happy number.

It is not a de Polignac number, because 23023013111031 - 210 = 23023013110007 is a prime.

It is a super-2 number, since 2×230230131110312 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23023013110989 and 23023013111007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23023013119031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40428685 + ... + 40994201.

It is an arithmetic number, because the mean of its divisors is an integer number (1944880305534).

Almost surely, 223023013111031 is an apocalyptic number.

23023013111031 is a deficient number, since it is larger than the sum of its proper divisors (8095071777513).

23023013111031 is a wasteful number, since it uses less digits than its factorization.

23023013111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751490.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 23023013111031 its reverse (13011131032032), we get a palindrome (36034144143063).

The spelling of 23023013111031 in words is "twenty-three trillion, twenty-three billion, thirteen million, one hundred eleven thousand, thirty-one".

Divisors: 1 3 73 219 185897 557691 565517 1696551 13570481 40711443 41282741 123848223 105127913749 315383741247 7674337703677 23023013111031