231377722364 has 6 divisors (see below), whose sum is σ = 404911014144. Its totient is φ = 115688861180.

The previous prime is 231377722363. The next prime is 231377722423. The reversal of 231377722364 is 463227773132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231377722363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28922215292 + ... + 28922215299.

It is an arithmetic number, because the mean of its divisors is an integer number (67485169024).

Almost surely, 2^231377722364 is an apocalyptic number.

It is an amenable number.

231377722364 is a deficient number, since it is larger than the sum of its proper divisors (173533291780).

231377722364 is a wasteful number, since it uses less digits than its factorization.

231377722364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57844430595 (or 57844430593 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 47.

The spelling of 231377722364 in words is "two hundred thirty-one billion, three hundred seventy-seven million, seven hundred twenty-two thousand, three hundred sixty-four".