23240518785 has 48 divisors (see below), whose sum is σ = 45573353280. Its totient is φ = 11268123840.

The previous prime is 23240518757. The next prime is 23240518799. The reversal of 23240518785 is 58781504232.

23240518785 is a `hidden beast` number, since 23 + 2 + 40 + 518 + 78 + 5 = 666.

It is not a de Polignac number, because 23240518785 - 2⁷ = 23240518657 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 23240518785.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 856090 + ... + 882819.

It is an arithmetic number, because the mean of its divisors is an integer number (949444860).

Almost surely, 2^23240518785 is an apocalyptic number.

It is an amenable number.

23240518785 is a deficient number, since it is larger than the sum of its proper divisors (22332834495).

23240518785 is a wasteful number, since it uses less digits than its factorization.

23240518785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738940 (or 1738928 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 23240518785 in words is "twenty-three billion, two hundred forty million, five hundred eighteen thousand, seven hundred eighty-five".