231724043 has 2 divisors, whose sum is σ = 231724044. Its totient is φ = 231724042.

The previous prime is 231724037. The next prime is 231724063. The reversal of 231724043 is 340427132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231724043 - 2¹⁴ = 231707659 is a prime.

It is not a weakly prime, because it can be changed into another prime (231724063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115862021 + 115862022.

It is an arithmetic number, because the mean of its divisors is an integer number (115862022).

Almost surely, 2^231724043 is an apocalyptic number.

231724043 is a deficient number, since it is larger than the sum of its proper divisors (1).

231724043 is an equidigital number, since it uses as much as digits as its factorization.

231724043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 231724043 is about 15222.4847840292. The cubic root of 231724043 is about 614.2196399327.

The spelling of 231724043 in words is "two hundred thirty-one million, seven hundred twenty-four thousand, forty-three".