23531601425 has 12 divisors (see below), whose sum is σ = 29187048576. Its totient is φ = 18820208400.

The previous prime is 23531601419. The next prime is 23531601487. The reversal of 23531601425 is 52410613532.

It is a happy number.

It is not a de Polignac number, because 23531601425 - 2¹⁴ = 23531585041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23531601391 and 23531601400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30761 + ... + 219110.

It is an arithmetic number, because the mean of its divisors is an integer number (2432254048).

Almost surely, 2^23531601425 is an apocalyptic number.

23531601425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23531601425 is a deficient number, since it is larger than the sum of its proper divisors (5655447151).

23531601425 is a wasteful number, since it uses less digits than its factorization.

23531601425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253648 (or 253643 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 23531601425 in words is "twenty-three billion, five hundred thirty-one million, six hundred one thousand, four hundred twenty-five".