231330023 has 2 divisors, whose sum is σ = 231330024. Its totient is φ = 231330022.

The previous prime is 231330019. The next prime is 231330053. The reversal of 231330023 is 320033132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231330023 - 2² = 231330019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231329983 and 231330010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231330053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115665011 + 115665012.

It is an arithmetic number, because the mean of its divisors is an integer number (115665012).

Almost surely, 2^231330023 is an apocalyptic number.

231330023 is a deficient number, since it is larger than the sum of its proper divisors (1).

231330023 is an equidigital number, since it uses as much as digits as its factorization.

231330023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 231330023 is about 15209.5372381937. The cubic root of 231330023 is about 613.8713058800.

Adding to 231330023 its reverse (320033132), we get a palindrome (551363155).

The spelling of 231330023 in words is "two hundred thirty-one million, three hundred thirty thousand, twenty-three".