23111625 has 16 divisors (see below), whose sum is σ = 38458368. Its totient is φ = 12326000.

The previous prime is 23111623. The next prime is 23111633. The reversal of 23111625 is 52611132.

It is not a de Polignac number, because 23111625 - 2¹ = 23111623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23111623) 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, 30441 + ... + 31190.

It is an arithmetic number, because the mean of its divisors is an integer number (2403648).

Almost surely, 2^23111625 is an apocalyptic number.

23111625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23111625 is a deficient number, since it is larger than the sum of its proper divisors (15346743).

23111625 is an equidigital number, since it uses as much as digits as its factorization.

23111625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61649 (or 61639 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 23111625 is about 4807.4551479967. The cubic root of 23111625 is about 284.8460233205.

Adding to 23111625 its reverse (52611132), we get a palindrome (75722757).

The spelling of 23111625 in words is "twenty-three million, one hundred eleven thousand, six hundred twenty-five".