25423700134 has 8 divisors (see below), whose sum is σ = 43583485968. Its totient is φ = 10895871480.

The previous prime is 25423700123. The next prime is 25423700167. The reversal of 25423700134 is 43100732452.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 25423700096 and 25423700105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907989277 + ... + 907989304.

It is an arithmetic number, because the mean of its divisors is an integer number (5447935746).

Almost surely, 2^25423700134 is an apocalyptic number.

25423700134 is a deficient number, since it is larger than the sum of its proper divisors (18159785834).

25423700134 is a wasteful number, since it uses less digits than its factorization.

25423700134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815978590.

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 25423700134 in words is "twenty-five billion, four hundred twenty-three million, seven hundred thousand, one hundred thirty-four".