123022031 has 12 divisors (see below), whose sum is σ = 139889400. Its totient is φ = 107978640.

The previous prime is 123022007. The next prime is 123022037. The reversal of 123022031 is 130220321.

It is a happy number.

It is not a de Polignac number, because 123022031 - 2⁶ = 123021967 is a prime.

It is a super-2 number, since 2×123022031² = 30268840222729922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123021997 and 123022015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123022037) 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, 14021 + ... + 21038.

It is an arithmetic number, because the mean of its divisors is an integer number (11657450).

Almost surely, 2^123022031 is an apocalyptic number.

123022031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123022031 is a deficient number, since it is larger than the sum of its proper divisors (16867369).

123022031 is a wasteful number, since it uses less digits than its factorization.

123022031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35110 (or 35099 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 123022031 is about 11091.5296961240. The cubic root of 123022031 is about 497.3486737887.

Adding to 123022031 its reverse (130220321), we get a palindrome (253242352).

It can be divided in two parts, 1 and 23022031, that added together give a palindrome (23022032).

The spelling of 123022031 in words is "one hundred twenty-three million, twenty-two thousand, thirty-one".