23256871458 has 32 divisors (see below), whose sum is σ = 47642515200. Its totient is φ = 7566053136.

The previous prime is 23256871433. The next prime is 23256871481. The reversal of 23256871458 is 85417865232.

It is a self number, because there is not a number n which added to its sum of digits gives 23256871458.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187116 + ... + 285527.

It is an arithmetic number, because the mean of its divisors is an integer number (1488828600).

Almost surely, 2^23256871458 is an apocalyptic number.

23256871458 is an abundant number, since it is smaller than the sum of its proper divisors (24385643742).

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

23256871458 is a wasteful number, since it uses less digits than its factorization.

23256871458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472846.

The product of its digits is 3225600, while the sum is 51.

The spelling of 23256871458 in words is "twenty-three billion, two hundred fifty-six million, eight hundred seventy-one thousand, four hundred fifty-eight".