231736790123 has 2 divisors, whose sum is σ = 231736790124. Its totient is φ = 231736790122.

The previous prime is 231736790063. The next prime is 231736790149. The reversal of 231736790123 is 321097637132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231736790123 - 2¹⁶ = 231736724587 is a prime.

It is a super-2 number, since 2×231736790123² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (231636790123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115868395061 + 115868395062.

It is an arithmetic number, because the mean of its divisors is an integer number (115868395062).

Almost surely, 2^231736790123 is an apocalyptic number.

231736790123 is a deficient number, since it is larger than the sum of its proper divisors (1).

231736790123 is an equidigital number, since it uses as much as digits as its factorization.

231736790123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768, while the sum is 44.

The spelling of 231736790123 in words is "two hundred thirty-one billion, seven hundred thirty-six million, seven hundred ninety thousand, one hundred twenty-three".