23425405121 has 16 divisors (see below), whose sum is σ = 24737117760. Its totient is φ = 22121709120.

The previous prime is 23425405117. The next prime is 23425405141. The reversal of 23425405121 is 12150452432.

It is not a de Polignac number, because 23425405121 - 2² = 23425405117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23425405141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9937475 + ... + 9939831.

It is an arithmetic number, because the mean of its divisors is an integer number (1546069860).

Almost surely, 2^23425405121 is an apocalyptic number.

It is an amenable number.

23425405121 is a deficient number, since it is larger than the sum of its proper divisors (1311712639).

23425405121 is a wasteful number, since it uses less digits than its factorization.

23425405121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 23425405121 its reverse (12150452432), we get a palindrome (35575857553).

The spelling of 23425405121 in words is "twenty-three billion, four hundred twenty-five million, four hundred five thousand, one hundred twenty-one".