23016771551 has 32 divisors (see below), whose sum is σ = 25227417600. Its totient is φ = 20926049760.

The previous prime is 23016771499. The next prime is 23016771553. The reversal of 23016771551 is 15517761032.

It is a de Polignac number, because none of the positive numbers 2^k-23016771551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23016771553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24304460 + ... + 24305406.

It is an arithmetic number, because the mean of its divisors is an integer number (788356800).

Almost surely, 2^23016771551 is an apocalyptic number.

23016771551 is a deficient number, since it is larger than the sum of its proper divisors (2210646049).

23016771551 is a wasteful number, since it uses less digits than its factorization.

23016771551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499.

The product of its (nonzero) digits is 44100, while the sum is 38.

The spelling of 23016771551 in words is "twenty-three billion, sixteen million, seven hundred seventy-one thousand, five hundred fifty-one".