231023634 has 32 divisors (see below), whose sum is σ = 481251456. Its totient is φ = 73866240.

The previous prime is 231023629. The next prime is 231023651. The reversal of 231023634 is 436320132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8434 + ... + 23090.

It is an arithmetic number, because the mean of its divisors is an integer number (15039108).

Almost surely, 2^231023634 is an apocalyptic number.

231023634 is an abundant number, since it is smaller than the sum of its proper divisors (250227822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231023634 is a wasteful number, since it uses less digits than its factorization.

231023634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14770.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 231023634 is about 15199.4616352027. The cubic root of 231023634 is about 613.6001686954.

Adding to 231023634 its reverse (436320132), we get a palindrome (667343766).

The spelling of 231023634 in words is "two hundred thirty-one million, twenty-three thousand, six hundred thirty-four".