23123025 has 18 divisors (see below), whose sum is σ = 41416310. Its totient is φ = 12332160.

The previous prime is 23122991. The next prime is 23123029. The reversal of 23123025 is 52032132.

It can be written as a sum of positive squares in 3 ways, for example, as 1806336 + 21316689 = 1344^2 + 4617^2 .

It is not a de Polignac number, because 23123025 - 2⁶ = 23122961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23122989 and 23123007.

It is not an unprimeable number, because it can be changed into a prime (23123029) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 51160 + ... + 51609.

Almost surely, 2^23123025 is an apocalyptic number.

23123025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23123025 is a deficient number, since it is larger than the sum of its proper divisors (18293285).

23123025 is a wasteful number, since it uses less digits than its factorization.

23123025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102785 (or 102777 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23123025 is about 4808.6406603114. The cubic root of 23123025 is about 284.8928498403.

Adding to 23123025 its reverse (52032132), we get a palindrome (75155157).

The spelling of 23123025 in words is "twenty-three million, one hundred twenty-three thousand, twenty-five".