231153643929 has 144 divisors (see below), whose sum is σ = 358448723136. Its totient is φ = 132368670720.

The previous prime is 231153643927. The next prime is 231153643937. The reversal of 231153643929 is 929346351132.

It is not a de Polignac number, because 231153643929 - 2¹ = 231153643927 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (231153643927) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2383027209 + ... + 2383027305.

It is an arithmetic number, because the mean of its divisors is an integer number (2489227244).

Almost surely, 2^231153643929 is an apocalyptic number.

It is an amenable number.

231153643929 is a deficient number, since it is larger than the sum of its proper divisors (127295079207).

231153643929 is a wasteful number, since it uses less digits than its factorization.

231153643929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 284 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 48.

The spelling of 231153643929 in words is "two hundred thirty-one billion, one hundred fifty-three million, six hundred forty-three thousand, nine hundred twenty-nine".