123034420304450 has 12 divisors (see below), whose sum is σ = 228844021766370. Its totient is φ = 49213768121760.

The previous prime is 123034420304447. The next prime is 123034420304489. The reversal of 123034420304450 is 54403024430321.

It can be written as a sum of positive squares in 3 ways, for example, as 120086815478569 + 2947604825881 = 10958413^2 + 1716859^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 123034420304450.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1230344202995 + ... + 1230344203094.

Almost surely, 2^{123034420304450} is an apocalyptic number.

123034420304450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123034420304450 is a deficient number, since it is larger than the sum of its proper divisors (105809601461920).

123034420304450 is a wasteful number, since it uses less digits than its factorization.

123034420304450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2460688406101 (or 2460688406096 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 123034420304450 its reverse (54403024430321), we get a palindrome (177437444734771).

The spelling of 123034420304450 in words is "one hundred twenty-three trillion, thirty-four billion, four hundred twenty million, three hundred four thousand, four hundred fifty".