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23020021033 = 83661419591
BaseRepresentation
bin10101011100000110…
…011010010100101001
32012102022020020021121
4111130012122110221
5334121111133113
614324130535241
71443312643642
oct253406322451
965368206247
1023020021033
119843224579
124565437521
13222b27c029
1411854206c9
158eae66e8d
hex55c19a529

23020021033 has 8 divisors (see below), whose sum is σ = 23332671936. Its totient is φ = 22708210800.

The previous prime is 23020021027. The next prime is 23020021039. The reversal of 23020021033 is 33012002032.

It is an interprime number because it is at equal distance from previous prime (23020021027) and next prime (23020021039).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23020021033 - 229 = 22483150121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23020020998 and 23020021016.

It is not an unprimeable number, because it can be changed into a prime (23020021039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154933 + ... + 264658.

It is an arithmetic number, because the mean of its divisors is an integer number (2916583992).

Almost surely, 223020021033 is an apocalyptic number.

It is an amenable number.

23020021033 is a deficient number, since it is larger than the sum of its proper divisors (312650903).

23020021033 is an equidigital number, since it uses as much as digits as its factorization.

23020021033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420335.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 23020021033 its reverse (33012002032), we get a palindrome (56032023065).

The spelling of 23020021033 in words is "twenty-three billion, twenty million, twenty-one thousand, thirty-three".

Divisors: 1 83 661 54863 419591 34826053 277349651 23020021033