123023031031 has 12 divisors (see below), whose sum is σ = 123658682880. Its totient is φ = 122390481600.

The previous prime is 123023031029. The next prime is 123023031059. The reversal of 123023031031 is 130130320321.

It is not a de Polignac number, because 123023031031 - 2¹ = 123023031029 is a prime.

It is a super-2 number, since 2×123023031031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123023031071) 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, 96186250 + ... + 96187528.

It is an arithmetic number, because the mean of its divisors is an integer number (10304890240).

Almost surely, 2^123023031031 is an apocalyptic number.

123023031031 is a deficient number, since it is larger than the sum of its proper divisors (635651849).

123023031031 is an equidigital number, since it uses as much as digits as its factorization.

123023031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046 (or 2763 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123023031031 its reverse (130130320321), we get a palindrome (253153351352).

The spelling of 123023031031 in words is "one hundred twenty-three billion, twenty-three million, thirty-one thousand, thirty-one".