23454066631 has 4 divisors (see below), whose sum is σ = 23507010792. Its totient is φ = 23401122472.

The previous prime is 23454066617. The next prime is 23454066731. The reversal of 23454066631 is 13666045432.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23454066631 - 2⁵ = 23454066599 is a prime.

It is a super-2 number, since 2×23454066631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23454066731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26471416 + ... + 26472301.

It is an arithmetic number, because the mean of its divisors is an integer number (5876752698).

Almost surely, 2^23454066631 is an apocalyptic number.

23454066631 is a deficient number, since it is larger than the sum of its proper divisors (52944161).

23454066631 is an equidigital number, since it uses as much as digits as its factorization.

23454066631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52944160.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 23454066631 in words is "twenty-three billion, four hundred fifty-four million, sixty-six thousand, six hundred thirty-one".