23430725 has 6 divisors (see below), whose sum is σ = 29054130. Its totient is φ = 18744560.

The previous prime is 23430703. The next prime is 23430727. The reversal of 23430725 is 52703432.

It can be written as a sum of positive squares in 3 ways, for example, as 982081 + 22448644 = 991^2 + 4738^2 .

It is not a de Polignac number, because 23430725 - 2¹⁶ = 23365189 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 23430694 and 23430703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23430727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 468590 + ... + 468639.

It is an arithmetic number, because the mean of its divisors is an integer number (4842355).

Almost surely, 2^23430725 is an apocalyptic number.

23430725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23430725 is a deficient number, since it is larger than the sum of its proper divisors (5623405).

23430725 is an equidigital number, since it uses as much as digits as its factorization.

23430725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937239 (or 937234 counting only the distinct ones).

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

The square root of 23430725 is about 4840.5294131944. The cubic root of 23430725 is about 286.1509830867.

The spelling of 23430725 in words is "twenty-three million, four hundred thirty thousand, seven hundred twenty-five".