25106501323 has 12 divisors (see below), whose sum is σ = 26682688872. Its totient is φ = 23618608640.

The previous prime is 25106501317. The next prime is 25106501327. The reversal of 25106501323 is 32310560152.

It is not a de Polignac number, because 25106501323 - 2⁵ = 25106501291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25106501291 and 25106501300.

It is not an unprimeable number, because it can be changed into a prime (25106501327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 636003 + ... + 674323.

It is an arithmetic number, because the mean of its divisors is an integer number (2223557406).

Almost surely, 2^25106501323 is an apocalyptic number.

25106501323 is a deficient number, since it is larger than the sum of its proper divisors (1576187549).

25106501323 is a wasteful number, since it uses less digits than its factorization.

25106501323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40622 (or 40605 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 25106501323 in words is "twenty-five billion, one hundred six million, five hundred one thousand, three hundred twenty-three".