123312044350443 has 16 divisors (see below), whose sum is σ = 177067251286016. Its totient is φ = 75882705132960.

The previous prime is 123312044350427. The next prime is 123312044350459. The reversal of 123312044350443 is 344053440213321.

It is an interprime number because it is at equal distance from previous prime (123312044350427) and next prime (123312044350459).

It is not a de Polignac number, because 123312044350443 - 2⁴ = 123312044350427 is a prime.

It is a super-3 number, since 3×123312044350443³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (123312044350043) 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, 32114905 + ... + 35749002.

It is an arithmetic number, because the mean of its divisors is an integer number (11066703205376).

Almost surely, 2^{123312044350443} is an apocalyptic number.

123312044350443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

123312044350443 is a deficient number, since it is larger than the sum of its proper divisors (53755206935573).

123312044350443 is a wasteful number, since it uses less digits than its factorization.

123312044350443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67910514.

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 123312044350443 its reverse (344053440213321), we get a palindrome (467365484563764).

The spelling of 123312044350443 in words is "one hundred twenty-three trillion, three hundred twelve billion, forty-four million, three hundred fifty thousand, four hundred forty-three".