131110023123 has 12 divisors (see below), whose sum is σ = 189384925600. Its totient is φ = 87404936976.

The previous prime is 131110023061. The next prime is 131110023137. The reversal of 131110023123 is 321320011131.

131110023123 is a `hidden beast` number, since 1 + 311 + 100 + 231 + 23 = 666.

It is not a de Polignac number, because 131110023123 - 2⁶ = 131110023059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131110023096 and 131110023105.

It is not an unprimeable number, because it can be changed into a prime (131110023623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465453 + ... + 692001.

Almost surely, 2^131110023123 is an apocalyptic number.

131110023123 is a deficient number, since it is larger than the sum of its proper divisors (58274902477).

131110023123 is a wasteful number, since it uses less digits than its factorization.

131110023123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290858 (or 290855 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131110023123 its reverse (321320011131), we get a palindrome (452430034254).

The spelling of 131110023123 in words is "one hundred thirty-one billion, one hundred ten million, twenty-three thousand, one hundred twenty-three".