231413123 has 2 divisors, whose sum is σ = 231413124. Its totient is φ = 231413122.

The previous prime is 231413111. The next prime is 231413159. The reversal of 231413123 is 321314132.

231413123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 231413123 - 2¹² = 231409027 is a prime.

It is a super-2 number, since 2×231413123² = 107104066993226258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231413095 and 231413104.

It is not a weakly prime, because it can be changed into another prime (231413183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115706561 + 115706562.

It is an arithmetic number, because the mean of its divisors is an integer number (115706562).

Almost surely, 2^231413123 is an apocalyptic number.

231413123 is a deficient number, since it is larger than the sum of its proper divisors (1).

231413123 is an equidigital number, since it uses as much as digits as its factorization.

231413123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 231413123 is about 15212.2688314400. The cubic root of 231413123 is about 613.9448034711.

Adding to 231413123 its reverse (321314132), we get a palindrome (552727255).

The spelling of 231413123 in words is "two hundred thirty-one million, four hundred thirteen thousand, one hundred twenty-three".