23457780258 has 32 divisors (see below), whose sum is σ = 51239096640. Its totient is φ = 7100295360.

The previous prime is 23457780223. The next prime is 23457780301. The reversal of 23457780258 is 85208775432.

23457780258 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×23457780258² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23457780258.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144753 + ... + 260516.

It is an arithmetic number, because the mean of its divisors is an integer number (1601221770).

Almost surely, 2^23457780258 is an apocalyptic number.

23457780258 is an abundant number, since it is smaller than the sum of its proper divisors (27781316382).

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

23457780258 is a wasteful number, since it uses less digits than its factorization.

23457780258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406162.

The product of its (nonzero) digits is 3763200, while the sum is 51.

The spelling of 23457780258 in words is "twenty-three billion, four hundred fifty-seven million, seven hundred eighty thousand, two hundred fifty-eight".