231024031123 has 2 divisors, whose sum is σ = 231024031124. Its totient is φ = 231024031122.

The previous prime is 231024031111. The next prime is 231024031157. The reversal of 231024031123 is 321130420132.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231024031123 - 2³³ = 222434096531 is a prime.

It is a super-2 number, since 2×231024031123² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231024031094 and 231024031103.

It is not a weakly prime, because it can be changed into another prime (231024031723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115512015561 + 115512015562.

It is an arithmetic number, because the mean of its divisors is an integer number (115512015562).

Almost surely, 2^231024031123 is an apocalyptic number.

231024031123 is a deficient number, since it is larger than the sum of its proper divisors (1).

231024031123 is an equidigital number, since it uses as much as digits as its factorization.

231024031123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 231024031123 its reverse (321130420132), we get a palindrome (552154451255).

The spelling of 231024031123 in words is "two hundred thirty-one billion, twenty-four million, thirty-one thousand, one hundred twenty-three".