23425404502139 has 16 divisors (see below), whose sum is σ = 23833811232000. Its totient is φ = 23018746839264.

The previous prime is 23425404502111. The next prime is 23425404502147. The reversal of 23425404502139 is 93120540452432.

It is a cyclic number.

It is not a de Polignac number, because 23425404502139 - 2²⁰ = 23425403453563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23425404502139.

It is not an unprimeable number, because it can be changed into a prime (23425404502439) 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, 157196837 + ... + 157345785.

It is an arithmetic number, because the mean of its divisors is an integer number (1489613202000).

Almost surely, 2^{23425404502139} is an apocalyptic number.

23425404502139 is a deficient number, since it is larger than the sum of its proper divisors (408406729861).

23425404502139 is a wasteful number, since it uses less digits than its factorization.

23425404502139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154802.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 23425404502139 in words is "twenty-three trillion, four hundred twenty-five billion, four hundred four million, five hundred two thousand, one hundred thirty-nine".