23155325 has 12 divisors (see below), whose sum is σ = 28772340. Its totient is φ = 18485760.

The previous prime is 23155313. The next prime is 23155331. The reversal of 23155325 is 52355132.

It can be written as a sum of positive squares in 6 ways, for example, as 1570009 + 21585316 = 1253^2 + 4646^2 .

It is not a de Polignac number, because 23155325 - 2¹⁶ = 23089789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23155294 and 23155303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22727 + ... + 23723.

It is an arithmetic number, because the mean of its divisors is an integer number (2397695).

Almost surely, 2^23155325 is an apocalyptic number.

23155325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23155325 is a deficient number, since it is larger than the sum of its proper divisors (5617015).

23155325 is an equidigital number, since it uses as much as digits as its factorization.

23155325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1931 counting only the distinct ones).

The product of its digits is 4500, while the sum is 26.

The square root of 23155325 is about 4811.9980257685. The cubic root of 23155325 is about 285.0254414551.

The spelling of 23155325 in words is "twenty-three million, one hundred fifty-five thousand, three hundred twenty-five".