23663125 has 10 divisors (see below), whose sum is σ = 29570222. Its totient is φ = 18930000.

The previous prime is 23663119. The next prime is 23663141. The reversal of 23663125 is 52136632.

It can be written as a sum of positive squares in 5 ways, for example, as 2951524 + 20711601 = 1718^2 + 4551^2 .

It is not a de Polignac number, because 23663125 - 2¹³ = 23654933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23663093 and 23663102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18306 + ... + 19555.

Almost surely, 2^23663125 is an apocalyptic number.

23663125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23663125 is a deficient number, since it is larger than the sum of its proper divisors (5907097).

23663125 is an frugal number, since it uses more digits than its factorization.

23663125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37881 (or 37866 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 23663125 is about 4864.4758196542. The cubic root of 23663125 is about 287.0939447297.

Adding to 23663125 its reverse (52136632), we get a palindrome (75799757).

The spelling of 23663125 in words is "twenty-three million, six hundred sixty-three thousand, one hundred twenty-five".