23115162447 has 48 divisors (see below), whose sum is σ = 36522071040. Its totient is φ = 14002238016.

The previous prime is 23115162419. The next prime is 23115162461. The reversal of 23115162447 is 74426151132.

23115162447 is a `hidden beast` number, since 2 + 3 + 1 + 151 + 62 + 447 = 666.

It is not a de Polignac number, because 23115162447 - 2²² = 23110968143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23115162467) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3203718 + ... + 3210924.

It is an arithmetic number, because the mean of its divisors is an integer number (760876480).

Almost surely, 2^23115162447 is an apocalyptic number.

23115162447 is a deficient number, since it is larger than the sum of its proper divisors (13406908593).

23115162447 is a wasteful number, since it uses less digits than its factorization.

23115162447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7652 (or 7649 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The spelling of 23115162447 in words is "twenty-three billion, one hundred fifteen million, one hundred sixty-two thousand, four hundred forty-seven".