123231313030 has 16 divisors (see below), whose sum is σ = 253504415520. Its totient is φ = 42250735872.

The previous prime is 123231313003. The next prime is 123231313031. The reversal of 123231313030 is 30313132321.

It is a super-2 number, since 2×123231313030² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123231312992 and 123231313010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123231313031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880223595 + ... + 880223734.

It is an arithmetic number, because the mean of its divisors is an integer number (15844025970).

Almost surely, 2^123231313030 is an apocalyptic number.

123231313030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123231313030 is an abundant number, since it is smaller than the sum of its proper divisors (130273102490).

123231313030 is a wasteful number, since it uses less digits than its factorization.

123231313030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760447343.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 123231313030 its reverse (30313132321), we get a palindrome (153544445351).

The spelling of 123231313030 in words is "one hundred twenty-three billion, two hundred thirty-one million, three hundred thirteen thousand, thirty".