231023311234 has 16 divisors (see below), whose sum is σ = 351985430016. Its totient is φ = 113700109600.

The previous prime is 231023311229. The next prime is 231023311243. The reversal of 231023311234 is 432113320132.

It is a junction number, because it is equal to n+sod(n) for n = 231023311199 and 231023311208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1230802 + ... + 1406029.

It is an arithmetic number, because the mean of its divisors is an integer number (21999089376).

Almost surely, 2^231023311234 is an apocalyptic number.

231023311234 is a deficient number, since it is larger than the sum of its proper divisors (120962118782).

231023311234 is a wasteful number, since it uses less digits than its factorization.

231023311234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637521.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231023311234 its reverse (432113320132), we get a palindrome (663136631366).

The spelling of 231023311234 in words is "two hundred thirty-one billion, twenty-three million, three hundred eleven thousand, two hundred thirty-four".