23487025825 has 6 divisors (see below), whose sum is σ = 29123912054. Its totient is φ = 18789620640.

The previous prime is 23487025813. The next prime is 23487025853. The reversal of 23487025825 is 52852078432.

It can be written as a sum of positive squares in 3 ways, for example, as 286861969 + 23200163856 = 16937^2 + 152316^2 .

It is not a de Polignac number, because 23487025825 - 2³¹ = 21339542177 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 469740492 + ... + 469740541.

Almost surely, 2^23487025825 is an apocalyptic number.

23487025825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23487025825 is a deficient number, since it is larger than the sum of its proper divisors (5636886229).

23487025825 is an equidigital number, since it uses as much as digits as its factorization.

23487025825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939481043 (or 939481038 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 46.

The spelling of 23487025825 in words is "twenty-three billion, four hundred eighty-seven million, twenty-five thousand, eight hundred twenty-five".