123411032031 has 16 divisors (see below), whose sum is σ = 188060007168. Its totient is φ = 70518676800.

The previous prime is 123411032029. The next prime is 123411032083. The reversal of 123411032031 is 130230114321.

It is not a de Polignac number, because 123411032031 - 2¹ = 123411032029 is a prime.

It is a super-2 number, since 2×123411032031² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 123411031989 and 123411032007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123411032021) 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, 1164736 + ... + 1266266.

It is an arithmetic number, because the mean of its divisors is an integer number (11753750448).

Almost surely, 2^123411032031 is an apocalyptic number.

123411032031 is a deficient number, since it is larger than the sum of its proper divisors (64648975137).

123411032031 is a wasteful number, since it uses less digits than its factorization.

123411032031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159422.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123411032031 its reverse (130230114321), we get a palindrome (253641146352).

The spelling of 123411032031 in words is "one hundred twenty-three billion, four hundred eleven million, thirty-two thousand, thirty-one".