23503512425 has 6 divisors (see below), whose sum is σ = 29144355438. Its totient is φ = 18802809920.

The previous prime is 23503512413. The next prime is 23503512427. The reversal of 23503512425 is 52421530532.

It can be written as a sum of positive squares in 3 ways, for example, as 5445259264 + 18058253161 = 73792^2 + 134381^2 .

It is not a de Polignac number, because 23503512425 - 2²⁰ = 23502463849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23503512391 and 23503512400.

It is not an unprimeable number, because it can be changed into a prime (23503512427) 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 5 ways as a sum of consecutive naturals, for example, 470070224 + ... + 470070273.

It is an arithmetic number, because the mean of its divisors is an integer number (4857392573).

Almost surely, 2^23503512425 is an apocalyptic number.

23503512425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23503512425 is a deficient number, since it is larger than the sum of its proper divisors (5640843013).

23503512425 is an equidigital number, since it uses as much as digits as its factorization.

23503512425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940140507 (or 940140502 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 23503512425 in words is "twenty-three billion, five hundred three million, five hundred twelve thousand, four hundred twenty-five".