23351625 has 128 divisors (see below), whose sum is σ = 51217920. Its totient is φ = 10368000.

The previous prime is 23351611. The next prime is 23351639. The reversal of 23351625 is 52615332.

23351625 is a `hidden beast` number, since 2 + 3 + 35 + 1 + 625 = 666.

It is an interprime number because it is at equal distance from previous prime (23351611) and next prime (23351639).

It is not a de Polignac number, because 23351625 - 2⁴ = 23351609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 631107 + ... + 631143.

It is an arithmetic number, because the mean of its divisors is an integer number (400140).

Almost surely, 2^23351625 is an apocalyptic number.

23351625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23351625 is an abundant number, since it is smaller than the sum of its proper divisors (27866295).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23351625 is a wasteful number, since it uses less digits than its factorization.

23351625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 73 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 23351625 is about 4832.3519118541. The cubic root of 23351625 is about 285.8286134722.

Adding to 23351625 its reverse (52615332), we get a palindrome (75966957).

The spelling of 23351625 in words is "twenty-three million, three hundred fifty-one thousand, six hundred twenty-five".