123113013130 has 32 divisors (see below), whose sum is σ = 233320772160. Its totient is φ = 46642550400.

The previous prime is 123113013071. The next prime is 123113013131. The reversal of 123113013130 is 31310311321.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 123113013098 and 123113013107.

It is not an unprimeable number, because it can be changed into a prime (123113013131) 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, 772902 + ... + 918478.

It is an arithmetic number, because the mean of its divisors is an integer number (7291274130).

Almost surely, 2^123113013130 is an apocalyptic number.

123113013130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123113013130 is a deficient number, since it is larger than the sum of its proper divisors (110207759030).

123113013130 is a wasteful number, since it uses less digits than its factorization.

123113013130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150054.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 123113013130 its reverse (31310311321), we get a palindrome (154423324451).

The spelling of 123113013130 in words is "one hundred twenty-three billion, one hundred thirteen million, thirteen thousand, one hundred thirty".