123310321221427 has 2 divisors, whose sum is σ = 123310321221428. Its totient is φ = 123310321221426.

The previous prime is 123310321221293. The next prime is 123310321221433. The reversal of 123310321221427 is 724122123013321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123310321221427 - 2²⁷ = 123310187003699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123310321221392 and 123310321221401.

It is not a weakly prime, because it can be changed into another prime (123310321221487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61655160610713 + 61655160610714.

It is an arithmetic number, because the mean of its divisors is an integer number (61655160610714).

Almost surely, 2^{123310321221427} is an apocalyptic number.

123310321221427 is a deficient number, since it is larger than the sum of its proper divisors (1).

123310321221427 is an equidigital number, since it uses as much as digits as its factorization.

123310321221427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 123310321221427 its reverse (724122123013321), we get a palindrome (847432444234748).

The spelling of 123310321221427 in words is "one hundred twenty-three trillion, three hundred ten billion, three hundred twenty-one million, two hundred twenty-one thousand, four hundred twenty-seven".