231324511123 has 16 divisors (see below), whose sum is σ = 237146388480. Its totient is φ = 225541099296.

The previous prime is 231324511069. The next prime is 231324511139. The reversal of 231324511123 is 321115423132.

It is a cyclic number.

It is not a de Polignac number, because 231324511123 - 2⁹ = 231324510611 is a prime.

It is a super-2 number, since 2×231324511123² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231324511091 and 231324511100.

It is not an unprimeable number, because it can be changed into a prime (231324511163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27991090 + ... + 27999352.

It is an arithmetic number, because the mean of its divisors is an integer number (14821649280).

Almost surely, 2^231324511123 is an apocalyptic number.

231324511123 is a deficient number, since it is larger than the sum of its proper divisors (5821877357).

231324511123 is a wasteful number, since it uses less digits than its factorization.

231324511123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10506.

The product of its digits is 4320, while the sum is 28.

Adding to 231324511123 its reverse (321115423132), we get a palindrome (552439934255).

The spelling of 231324511123 in words is "two hundred thirty-one billion, three hundred twenty-four million, five hundred eleven thousand, one hundred twenty-three".