23951285745123 has 16 divisors (see below), whose sum is σ = 34982790809472. Its totient is φ = 14455698672000.

The previous prime is 23951285745119. The next prime is 23951285745139. The reversal of 23951285745123 is 32154758215932.

It is not a de Polignac number, because 23951285745123 - 2² = 23951285745119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23951285745523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1505793993 + ... + 1505809898.

It is an arithmetic number, because the mean of its divisors is an integer number (2186424425592).

Almost surely, 2^{23951285745123} is an apocalyptic number.

23951285745123 is a deficient number, since it is larger than the sum of its proper divisors (11031505064349).

23951285745123 is a wasteful number, since it uses less digits than its factorization.

23951285745123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011604146.

The product of its digits is 18144000, while the sum is 57.

The spelling of 23951285745123 in words is "twenty-three trillion, nine hundred fifty-one billion, two hundred eighty-five million, seven hundred forty-five thousand, one hundred twenty-three".