123222140423530 has 16 divisors (see below), whose sum is σ = 221852449436040. Its totient is φ = 49277168019712.

The previous prime is 123222140423519. The next prime is 123222140423533. The reversal of 123222140423530 is 35324041222321.

It can be written as a sum of positive squares in 4 ways, for example, as 107988114743289 + 15234025680241 = 10391733^2 + 3903079^2 .

It is a super-2 number, since 2×123222140423530² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123222140423533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460974435 + ... + 1461058774.

Almost surely, 2^{123222140423530} is an apocalyptic number.

123222140423530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123222140423530 is a deficient number, since it is larger than the sum of its proper divisors (98630309012510).

123222140423530 is a wasteful number, since it uses less digits than its factorization.

123222140423530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922037433.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 123222140423530 its reverse (35324041222321), we get a palindrome (158546181645851).

The spelling of 123222140423530 in words is "one hundred twenty-three trillion, two hundred twenty-two billion, one hundred forty million, four hundred twenty-three thousand, five hundred thirty".