231223123134 has 48 divisors (see below), whose sum is σ = 505258331760. Its totient is φ = 76418173440.

The previous prime is 231223123123. The next prime is 231223123169. The reversal of 231223123134 is 431321322132.

231223123134 is a `hidden beast` number, since 2 + 31 + 2 + 2 + 312 + 313 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 231223123098 and 231223123107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1832974 + ... + 1955054.

It is an arithmetic number, because the mean of its divisors is an integer number (10526215245).

Almost surely, 2^231223123134 is an apocalyptic number.

231223123134 is an abundant number, since it is smaller than the sum of its proper divisors (274035208626).

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

231223123134 is a wasteful number, since it uses less digits than its factorization.

231223123134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122985 (or 122982 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 231223123134 its reverse (431321322132), we get a palindrome (662544445266).

The spelling of 231223123134 in words is "two hundred thirty-one billion, two hundred twenty-three million, one hundred twenty-three thousand, one hundred thirty-four".