23071690851 has 24 divisors (see below), whose sum is σ = 34161696912. Its totient is φ = 13838668800.

The previous prime is 23071690849. The next prime is 23071690871. The reversal of 23071690851 is 15809617032.

It is not a de Polignac number, because 23071690851 - 2¹ = 23071690849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23071690871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292410 + ... + 362831.

It is an arithmetic number, because the mean of its divisors is an integer number (1423404038).

Almost surely, 2^23071690851 is an apocalyptic number.

23071690851 is a deficient number, since it is larger than the sum of its proper divisors (11090006061).

23071690851 is a wasteful number, since it uses less digits than its factorization.

23071690851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655363 (or 655352 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 23071690851 in words is "twenty-three billion, seventy-one million, six hundred ninety thousand, eight hundred fifty-one".