123450622133530 has 8 divisors (see below), whose sum is σ = 222211119840372. Its totient is φ = 49380248853408.

The previous prime is 123450622133431. The next prime is 123450622133539. The reversal of 123450622133530 is 35331226054321.

It can be written as a sum of positive squares in 2 ways, for example, as 115746849962041 + 7703772171489 = 10758571^2 + 2775567^2 .

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

It is a super-2 number, since 2×123450622133530² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123450622133539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6172531106667 + ... + 6172531106686.

Almost surely, 2^{123450622133530} is an apocalyptic number.

123450622133530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123450622133530 is a deficient number, since it is larger than the sum of its proper divisors (98760497706842).

123450622133530 is a wasteful number, since it uses less digits than its factorization.

123450622133530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12345062213360.

The product of its (nonzero) digits is 388800, while the sum is 40.

Adding to 123450622133530 its reverse (35331226054321), we get a palindrome (158781848187851).

The spelling of 123450622133530 in words is "one hundred twenty-three trillion, four hundred fifty billion, six hundred twenty-two million, one hundred thirty-three thousand, five hundred thirty".