23212125 has 48 divisors (see below), whose sum is σ = 42831360. Its totient is φ = 12088800.

The previous prime is 23212099. The next prime is 23212139. The reversal of 23212125 is 52121232.

It is not a de Polignac number, because 23212125 - 2⁷ = 23211997 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 23212098 and 23212107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52656 + ... + 53094.

It is an arithmetic number, because the mean of its divisors is an integer number (892320).

Almost surely, 2^23212125 is an apocalyptic number.

23212125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23212125 is a deficient number, since it is larger than the sum of its proper divisors (19619235).

23212125 is a wasteful number, since it uses less digits than its factorization.

23212125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507 (or 494 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 23212125 is about 4817.8963251610. The cubic root of 23212125 is about 285.2583069050.

Adding to 23212125 its reverse (52121232), we get a palindrome (75333357).

The spelling of 23212125 in words is "twenty-three million, two hundred twelve thousand, one hundred twenty-five".