123431140314223 has 16 divisors (see below), whose sum is σ = 145694594189376. Its totient is φ = 102379985061120.

The previous prime is 123431140314211. The next prime is 123431140314233. The reversal of 123431140314223 is 322413041134321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 123431140314223 - 2¹⁷ = 123431140183151 is a prime.

It is a super-3 number, since 3×123431140314223³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123431140314233) 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, 2278729708 + ... + 2278783873.

It is an arithmetic number, because the mean of its divisors is an integer number (9105912136836).

Almost surely, 2^{123431140314223} is an apocalyptic number.

123431140314223 is a deficient number, since it is larger than the sum of its proper divisors (22263453875153).

123431140314223 is an equidigital number, since it uses as much as digits as its factorization.

123431140314223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557513714.

The product of its (nonzero) digits is 41472, while the sum is 34.

Adding to 123431140314223 its reverse (322413041134321), we get a palindrome (445844181448544).

The spelling of 123431140314223 in words is "one hundred twenty-three trillion, four hundred thirty-one billion, one hundred forty million, three hundred fourteen thousand, two hundred twenty-three".