23043725 has 6 divisors (see below), whose sum is σ = 28574250. Its totient is φ = 18434960.

The previous prime is 23043707. The next prime is 23043739. The reversal of 23043725 is 52734032.

It can be written as a sum of positive squares in 3 ways, for example, as 3736489 + 19307236 = 1933^2 + 4394^2 .

It is not a de Polignac number, because 23043725 - 2¹⁴ = 23027341 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23043694 and 23043703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 460850 + ... + 460899.

It is an arithmetic number, because the mean of its divisors is an integer number (4762375).

Almost surely, 2^23043725 is an apocalyptic number.

23043725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23043725 is a deficient number, since it is larger than the sum of its proper divisors (5530525).

23043725 is an equidigital number, since it uses as much as digits as its factorization.

23043725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921759 (or 921754 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 23043725 is about 4800.3880051513. The cubic root of 23043725 is about 284.5667985185.

Adding to 23043725 its reverse (52734032), we get a palindrome (75777757).

The spelling of 23043725 in words is "twenty-three million, forty-three thousand, seven hundred twenty-five".