23156959383 has 24 divisors (see below), whose sum is σ = 35494842240. Its totient is φ = 14516465040.

The previous prime is 23156959369. The next prime is 23156959391. The reversal of 23156959383 is 38395965132.

23156959383 is a `hidden beast` number, since 23 + 1 + 569 + 59 + 3 + 8 + 3 = 666.

It is not a de Polignac number, because 23156959383 - 2⁵ = 23156959351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23156959313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 935833 + ... + 960258.

It is an arithmetic number, because the mean of its divisors is an integer number (1478951760).

Almost surely, 2^23156959383 is an apocalyptic number.

23156959383 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23156959383 is a deficient number, since it is larger than the sum of its proper divisors (12337882857).

23156959383 is a wasteful number, since it uses less digits than its factorization.

23156959383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896179 (or 1896176 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 54.

The spelling of 23156959383 in words is "twenty-three billion, one hundred fifty-six million, nine hundred fifty-nine thousand, three hundred eighty-three".