123031214403530 has 64 divisors (see below), whose sum is σ = 234969100819200. Its totient is φ = 46252360903680.

The previous prime is 123031214403499. The next prime is 123031214403533. The reversal of 123031214403530 is 35304412130321.

It is not an unprimeable number, because it can be changed into a prime (123031214403533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6934676 + ... + 17150864.

It is an arithmetic number, because the mean of its divisors is an integer number (3671392200300).

Almost surely, 2^{123031214403530} is an apocalyptic number.

123031214403530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123031214403530 is a deficient number, since it is larger than the sum of its proper divisors (111937886415670).

123031214403530 is a wasteful number, since it uses less digits than its factorization.

123031214403530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10216719.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 123031214403530 its reverse (35304412130321), we get a palindrome (158335626533851).

The spelling of 123031214403530 in words is "one hundred twenty-three trillion, thirty-one billion, two hundred fourteen million, four hundred three thousand, five hundred thirty".