231432452 has 12 divisors (see below), whose sum is σ = 410711616. Its totient is φ = 114086280.

The previous prime is 231432433. The next prime is 231432457. The reversal of 231432452 is 254234132.

It is not an unprimeable number, because it can be changed into a prime (231432457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407168 + ... + 407735.

It is an arithmetic number, because the mean of its divisors is an integer number (34225968).

Almost surely, 2^231432452 is an apocalyptic number.

It is an amenable number.

231432452 is a deficient number, since it is larger than the sum of its proper divisors (179279164).

231432452 is a wasteful number, since it uses less digits than its factorization.

231432452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814978 (or 814976 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 231432452 is about 15212.9041277463. The cubic root of 231432452 is about 613.9618964354.

Adding to 231432452 its reverse (254234132), we get a palindrome (485666584).

The spelling of 231432452 in words is "two hundred thirty-one million, four hundred thirty-two thousand, four hundred fifty-two".