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23230488881 = 891032534143
BaseRepresentation
bin10101101000101001…
…010010000100110001
32012221222021002220002
4111220221102010301
5340034001121011
614401045555345
71451446616555
oct255051220461
965858232802
1023230488881
119941007146
124603a15b55
132262a5cb12
1411a5369865
1590e68cc3b
hex568a52131

23230488881 has 8 divisors (see below), whose sum is σ = 23719587840. Its totient is φ = 22746458592.

The previous prime is 23230488779. The next prime is 23230488893. The reversal of 23230488881 is 18888403232.

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 23230488881 - 222 = 23226294577 is a prime.

It is a super-2 number, since 2×232304888812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23230488181) 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, 1257905 + ... + 1276238.

It is an arithmetic number, because the mean of its divisors is an integer number (2964948480).

Almost surely, 223230488881 is an apocalyptic number.

It is an amenable number.

23230488881 is a deficient number, since it is larger than the sum of its proper divisors (489098959).

23230488881 is a wasteful number, since it uses less digits than its factorization.

23230488881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534335.

The product of its (nonzero) digits is 589824, while the sum is 47.

The spelling of 23230488881 in words is "twenty-three billion, two hundred thirty million, four hundred eighty-eight thousand, eight hundred eighty-one".

Divisors: 1 89 103 9167 2534143 225538727 261016729 23230488881