230401921791 has 32 divisors (see below), whose sum is σ = 328367001600. Its totient is φ = 143191825920.

The previous prime is 230401921781. The next prime is 230401921811. The reversal of 230401921791 is 197129104032.

It is not a de Polignac number, because 230401921791 - 2⁵ = 230401921759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230401921721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24404850 + ... + 24414288.

It is an arithmetic number, because the mean of its divisors is an integer number (10261468800).

Almost surely, 2^230401921791 is an apocalyptic number.

230401921791 is a deficient number, since it is larger than the sum of its proper divisors (97965079809).

230401921791 is a wasteful number, since it uses less digits than its factorization.

230401921791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13959.

The product of its (nonzero) digits is 27216, while the sum is 39.

The spelling of 230401921791 in words is "two hundred thirty billion, four hundred one million, nine hundred twenty-one thousand, seven hundred ninety-one".