230032991 has 2 divisors, whose sum is σ = 230032992. Its totient is φ = 230032990.

The previous prime is 230032961. The next prime is 230033021. The reversal of 230032991 is 199230032.

It is a balanced prime because it is at equal distance from previous prime (230032961) and next prime (230033021).

It is a cyclic number.

It is not a de Polignac number, because 230032991 - 2¹⁴ = 230016607 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230032931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115016495 + 115016496.

It is an arithmetic number, because the mean of its divisors is an integer number (115016496).

Almost surely, 2^230032991 is an apocalyptic number.

230032991 is a deficient number, since it is larger than the sum of its proper divisors (1).

230032991 is an equidigital number, since it uses as much as digits as its factorization.

230032991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 230032991 is about 15166.8385301618. The cubic root of 230032991 is about 612.7218608187.

The spelling of 230032991 in words is "two hundred thirty million, thirty-two thousand, nine hundred ninety-one".