230025399991 has 2 divisors, whose sum is σ = 230025399992. Its totient is φ = 230025399990.

The previous prime is 230025399953. The next prime is 230025400037. The reversal of 230025399991 is 199993520032.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 230025399991 - 2⁹ = 230025399479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (230025399691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115012699995 + 115012699996.

It is an arithmetic number, because the mean of its divisors is an integer number (115012699996).

Almost surely, 2^230025399991 is an apocalyptic number.

230025399991 is a deficient number, since it is larger than the sum of its proper divisors (1).

230025399991 is an equidigital number, since it uses as much as digits as its factorization.

230025399991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1180980, while the sum is 52.

The spelling of 230025399991 in words is "two hundred thirty billion, twenty-five million, three hundred ninety-nine thousand, nine hundred ninety-one".