23405101425 has 72 divisors (see below), whose sum is σ = 42260192000. Its totient is φ = 12382191360.

The previous prime is 23405101397. The next prime is 23405101439. The reversal of 23405101425 is 52410150432.

23405101425 is a `hidden beast` number, since 2 + 3 + 4 + 0 + 510 + 142 + 5 = 666.

It is not a de Polignac number, because 23405101425 - 2¹² = 23405097329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 20730261 + ... + 20731389.

Almost surely, 2^23405101425 is an apocalyptic number.

23405101425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23405101425 is a deficient number, since it is larger than the sum of its proper divisors (18855090575).

23405101425 is a wasteful number, since it uses less digits than its factorization.

23405101425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 23405101425 its reverse (52410150432), we get a palindrome (75815251857).

The spelling of 23405101425 in words is "twenty-three billion, four hundred five million, one hundred one thousand, four hundred twenty-five".