123031120130 has 64 divisors (see below), whose sum is σ = 226678694400. Its totient is φ = 48067084800.

The previous prime is 123031120123. The next prime is 123031120139. The reversal of 123031120130 is 31021130321.

It is a junction number, because it is equal to n+sod(n) for n = 123031120099 and 123031120108.

It is not an unprimeable number, because it can be changed into a prime (123031120139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39571016 + ... + 39574124.

It is an arithmetic number, because the mean of its divisors is an integer number (3541854600).

Almost surely, 2^123031120130 is an apocalyptic number.

123031120130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123031120130 is a deficient number, since it is larger than the sum of its proper divisors (103647574270).

123031120130 is a wasteful number, since it uses less digits than its factorization.

123031120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123031120130 its reverse (31021130321), we get a palindrome (154052250451).

The spelling of 123031120130 in words is "one hundred twenty-three billion, thirty-one million, one hundred twenty thousand, one hundred thirty".