23547764135 has 48 divisors (see below), whose sum is σ = 33277366080. Its totient is φ = 15948011520.

The previous prime is 23547764117. The next prime is 23547764137. The reversal of 23547764135 is 53146774532.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-23547764135 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23547764135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23547764137) 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, 19938245 + ... + 19939425.

It is an arithmetic number, because the mean of its divisors is an integer number (693278460).

Almost surely, 2^23547764135 is an apocalyptic number.

23547764135 is a deficient number, since it is larger than the sum of its proper divisors (9729601945).

23547764135 is a wasteful number, since it uses less digits than its factorization.

23547764135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136 (or 2129 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 47.

The spelling of 23547764135 in words is "twenty-three billion, five hundred forty-seven million, seven hundred sixty-four thousand, one hundred thirty-five".