231433043 has 2 divisors, whose sum is σ = 231433044. Its totient is φ = 231433042.

The previous prime is 231433031. The next prime is 231433067. The reversal of 231433043 is 340334132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231433043 - 2¹⁴ = 231416659 is a prime.

It is a super-2 number, since 2×231433043² = 107122506784479698, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (231433003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115716521 + 115716522.

It is an arithmetic number, because the mean of its divisors is an integer number (115716522).

Almost surely, 2^231433043 is an apocalyptic number.

231433043 is a deficient number, since it is larger than the sum of its proper divisors (1).

231433043 is an equidigital number, since it uses as much as digits as its factorization.

231433043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 231433043 is about 15212.9235520330. The cubic root of 231433043 is about 613.9624190518.

Adding to 231433043 its reverse (340334132), we get a palindrome (571767175).

The spelling of 231433043 in words is "two hundred thirty-one million, four hundred thirty-three thousand, forty-three".