23456675240 has 16 divisors (see below), whose sum is σ = 52777519380. Its totient is φ = 9382670080.

The previous prime is 23456675219. The next prime is 23456675267. The reversal of 23456675240 is 4257665432.

It can be written as a sum of positive squares in 2 ways, for example, as 22676143396 + 780531844 = 150586^2 + 27938^2 .

It is a super-2 number, since 2×23456675240² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23456675191 and 23456675200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293208401 + ... + 293208480.

Almost surely, 2^23456675240 is an apocalyptic number.

23456675240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23456675240 is an abundant number, since it is smaller than the sum of its proper divisors (29320844140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23456675240 is a wasteful number, since it uses less digits than its factorization.

23456675240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586416892 (or 586416888 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 23456675240 in words is "twenty-three billion, four hundred fifty-six million, six hundred seventy-five thousand, two hundred forty".