23256391254 has 32 divisors (see below), whose sum is σ = 48323265120. Its totient is φ = 7452678912.

The previous prime is 23256391247. The next prime is 23256391271. The reversal of 23256391254 is 45219365232.

It is a congruent number.

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, 246277 + ... + 327360.

It is an arithmetic number, because the mean of its divisors is an integer number (1510102035).

Almost surely, 2^23256391254 is an apocalyptic number.

23256391254 is an abundant number, since it is smaller than the sum of its proper divisors (25066873866).

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

23256391254 is a wasteful number, since it uses less digits than its factorization.

23256391254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573904.

The product of its digits is 388800, while the sum is 42.

The spelling of 23256391254 in words is "twenty-three billion, two hundred fifty-six million, three hundred ninety-one thousand, two hundred fifty-four".