232235013991 has 2 divisors, whose sum is σ = 232235013992. Its totient is φ = 232235013990.

The previous prime is 232235013971. The next prime is 232235014003. The reversal of 232235013991 is 199310532232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232235013991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232235013961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116117506995 + 116117506996.

It is an arithmetic number, because the mean of its divisors is an integer number (116117506996).

Almost surely, 2^232235013991 is an apocalyptic number.

232235013991 is a deficient number, since it is larger than the sum of its proper divisors (1).

232235013991 is an equidigital number, since it uses as much as digits as its factorization.

232235013991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87480, while the sum is 40.

The spelling of 232235013991 in words is "two hundred thirty-two billion, two hundred thirty-five million, thirteen thousand, nine hundred ninety-one".