23899614025 has 45 divisors (see below), whose sum is σ = 34627594983. Its totient is φ = 16362334800.

The previous prime is 23899614007. The next prime is 23899614041. The reversal of 23899614025 is 52041699832.

The square root of 23899614025 is 154595.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8603861049 + 15295752976 = 92757^2 + 123676^2 .

It is not a de Polignac number, because 23899614025 - 2⁵ = 23899613993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23899614025.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 37875460 + ... + 37876090.

Almost surely, 2^23899614025 is an apocalyptic number.

23899614025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23899614025 is the 154595-th square number.

23899614025 is the 77298-th centered octagonal number.

It is an amenable number.

23899614025 is a deficient number, since it is larger than the sum of its proper divisors (10727980958).

23899614025 is an frugal number, since it uses more digits than its factorization.

23899614025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

Multiplying 23899614025 by its sum of digits (49), we get a square (1171081087225 = 1082165²).

23899614025 divided by its sum of digits (49) gives a square (487747225 = 22085²).

The spelling of 23899614025 in words is "twenty-three billion, eight hundred ninety-nine million, six hundred fourteen thousand, twenty-five".