230577691881 has 16 divisors (see below), whose sum is σ = 308002129344. Its totient is φ = 153436094784.

The previous prime is 230577691849. The next prime is 230577691961. The reversal of 230577691881 is 188196775032.

It is a happy number.

It is not a de Polignac number, because 230577691881 - 2⁵ = 230577691849 is a prime.

It is a super-2 number, since 2×230577691881² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230577692881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4033011 + ... + 4089783.

It is an arithmetic number, because the mean of its divisors is an integer number (19250133084).

Almost surely, 2^230577691881 is an apocalyptic number.

It is an amenable number.

230577691881 is a deficient number, since it is larger than the sum of its proper divisors (77424437463).

230577691881 is a wasteful number, since it uses less digits than its factorization.

230577691881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59240.

The product of its (nonzero) digits is 5080320, while the sum is 57.

The spelling of 230577691881 in words is "two hundred thirty billion, five hundred seventy-seven million, six hundred ninety-one thousand, eight hundred eighty-one".