23131706551 has 8 divisors (see below), whose sum is σ = 23342874800. Its totient is φ = 22921496640.

The previous prime is 23131706531. The next prime is 23131706561. The reversal of 23131706551 is 15560713132.

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 23131706551 - 2¹¹ = 23131704503 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 (23131706531) 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, 191046 + ... + 287683.

It is an arithmetic number, because the mean of its divisors is an integer number (2917859350).

Almost surely, 2^23131706551 is an apocalyptic number.

23131706551 is a deficient number, since it is larger than the sum of its proper divisors (211168249).

23131706551 is a wasteful number, since it uses less digits than its factorization.

23131706551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479169.

The product of its (nonzero) digits is 18900, while the sum is 34.

The spelling of 23131706551 in words is "twenty-three billion, one hundred thirty-one million, seven hundred six thousand, five hundred fifty-one".