23133125 has 10 divisors (see below), whose sum is σ = 28907934. Its totient is φ = 18506000.

The previous prime is 23133109. The next prime is 23133139. The reversal of 23133125 is 52133132.

It can be written as a sum of positive squares in 5 ways, for example, as 8988004 + 14145121 = 2998^2 + 3761^2 .

It is not a de Polignac number, because 23133125 - 2⁴ = 23133109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23133097 and 23133106.

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, 17882 + ... + 19131.

Almost surely, 2^23133125 is an apocalyptic number.

23133125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23133125 is a deficient number, since it is larger than the sum of its proper divisors (5774809).

23133125 is an frugal number, since it uses more digits than its factorization.

23133125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37033 (or 37018 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 23133125 is about 4809.6907384987. The cubic root of 23133125 is about 284.9343236374.

Adding to 23133125 its reverse (52133132), we get a palindrome (75266257).

The spelling of 23133125 in words is "twenty-three million, one hundred thirty-three thousand, one hundred twenty-five".