232403425 has 12 divisors (see below), whose sum is σ = 288410236. Its totient is φ = 185774400.

The previous prime is 232403417. The next prime is 232403429. The reversal of 232403425 is 524304232.

It can be written as a sum of positive squares in 6 ways, for example, as 2062096 + 230341329 = 1436^2 + 15177^2 .

It is not a de Polignac number, because 232403425 - 2³ = 232403417 is a prime.

It is a super-2 number, since 2×232403425² = 108022703903461250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 232403425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232403429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37015 + ... + 42835.

Almost surely, 2^232403425 is an apocalyptic number.

232403425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

232403425 is a deficient number, since it is larger than the sum of its proper divisors (56006811).

232403425 is a wasteful number, since it uses less digits than its factorization.

232403425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428 (or 7423 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 232403425 is about 15244.7835340486. The cubic root of 232403425 is about 614.8193225171.

Adding to 232403425 its reverse (524304232), we get a palindrome (756707657).

The spelling of 232403425 in words is "two hundred thirty-two million, four hundred three thousand, four hundred twenty-five".