23120444425 has 24 divisors (see below), whose sum is σ = 31059637056. Its totient is φ = 16971282240.

The previous prime is 23120444407. The next prime is 23120444467. The reversal of 23120444425 is 52444402132.

It is not a de Polignac number, because 23120444425 - 2¹⁷ = 23120313353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158719 + ... + 267268.

It is an arithmetic number, because the mean of its divisors is an integer number (1294151544).

Almost surely, 2^23120444425 is an apocalyptic number.

23120444425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23120444425 is a deficient number, since it is larger than the sum of its proper divisors (7939192631).

23120444425 is a wasteful number, since it uses less digits than its factorization.

23120444425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426177 (or 426172 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 23120444425 its reverse (52444402132), we get a palindrome (75564846557).

The spelling of 23120444425 in words is "twenty-three billion, one hundred twenty million, four hundred forty-four thousand, four hundred twenty-five".