123422402130 has 32 divisors (see below), whose sum is σ = 296243654400. Its totient is φ = 32909319552.

The previous prime is 123422402069. The next prime is 123422402137. The reversal of 123422402130 is 31204224321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 123422402130.

It is not an unprimeable number, because it can be changed into a prime (123422402137) 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, 102286 + ... + 507254.

It is an arithmetic number, because the mean of its divisors is an integer number (9257614200).

Almost surely, 2^123422402130 is an apocalyptic number.

123422402130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123422402130 is an abundant number, since it is smaller than the sum of its proper divisors (172821252270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123422402130 is a wasteful number, since it uses less digits than its factorization.

123422402130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415138.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 123422402130 its reverse (31204224321), we get a palindrome (154626626451).

The spelling of 123422402130 in words is "one hundred twenty-three billion, four hundred twenty-two million, four hundred two thousand, one hundred thirty".