23123425 has 24 divisors (see below), whose sum is σ = 31135160. Its totient is φ = 17035200.

The previous prime is 23123393. The next prime is 23123461. The reversal of 23123425 is 52432132.

It can be written as a sum of positive squares in 12 ways, for example, as 21095649 + 2027776 = 4593^2 + 1424^2 .

It is not a de Polignac number, because 23123425 - 2⁵ = 23123393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23123396 and 23123405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54715 + ... + 55135.

Almost surely, 2^23123425 is an apocalyptic number.

23123425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23123425 is a deficient number, since it is larger than the sum of its proper divisors (8011735).

23123425 is an equidigital number, since it uses as much as digits as its factorization.

23123425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 439 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 23123425 is about 4808.6822519272. The cubic root of 23123425 is about 284.8944925966.

Adding to 23123425 its reverse (52432132), we get a palindrome (75555557).

The spelling of 23123425 in words is "twenty-three million, one hundred twenty-three thousand, four hundred twenty-five".