123012313353530 has 8 divisors (see below), whose sum is σ = 221422164036372. Its totient is φ = 49204925341408.

The previous prime is 123012313353499. The next prime is 123012313353563. The reversal of 123012313353530 is 35353313210321.

It can be written as a sum of positive squares in 2 ways, for example, as 114354813329761 + 8657500023769 = 10693681^2 + 2942363^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6150615667667 + ... + 6150615667686.

Almost surely, 2^{123012313353530} is an apocalyptic number.

123012313353530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123012313353530 is a deficient number, since it is larger than the sum of its proper divisors (98409850682842).

123012313353530 is a wasteful number, since it uses less digits than its factorization.

123012313353530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12301231335360.

The product of its (nonzero) digits is 72900, while the sum is 35.

Adding to 123012313353530 its reverse (35353313210321), we get a palindrome (158365626563851).

The spelling of 123012313353530 in words is "one hundred twenty-three trillion, twelve billion, three hundred thirteen million, three hundred fifty-three thousand, five hundred thirty".