25324001923 has 4 divisors (see below), whose sum is σ = 27626183928. Its totient is φ = 23021819920.

The previous prime is 25324001917. The next prime is 25324001929. The reversal of 25324001923 is 32910042352.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25324001917) and next prime (25324001929).

It is not a de Polignac number, because 25324001923 - 2⁵ = 25324001891 is a prime.

It is a super-2 number, since 2×25324001923² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25324001929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151090986 + ... + 1151091007.

It is an arithmetic number, because the mean of its divisors is an integer number (6906545982).

Almost surely, 2^25324001923 is an apocalyptic number.

25324001923 is a deficient number, since it is larger than the sum of its proper divisors (2302182005).

25324001923 is a wasteful number, since it uses less digits than its factorization.

25324001923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302182004.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 25324001923 in words is "twenty-five billion, three hundred twenty-four million, one thousand, nine hundred twenty-three".