123301221023429 has 2 divisors, whose sum is σ = 123301221023430. Its totient is φ = 123301221023428.

The previous prime is 123301221023311. The next prime is 123301221023527. The reversal of 123301221023429 is 924320122103321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75730060099204 + 47571160924225 = 8702302^2 + 6897185^2 .

It is an emirp because it is prime and its reverse (924320122103321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123301221023429 is a prime.

It is a super-2 number, since 2×123301221023429² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123301221020429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61650610511714 + 61650610511715.

It is an arithmetic number, because the mean of its divisors is an integer number (61650610511715).

Almost surely, 2^{123301221023429} is an apocalyptic number.

It is an amenable number.

123301221023429 is a deficient number, since it is larger than the sum of its proper divisors (1).

123301221023429 is an equidigital number, since it uses as much as digits as its factorization.

123301221023429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 123301221023429 in words is "one hundred twenty-three trillion, three hundred one billion, two hundred twenty-one million, twenty-three thousand, four hundred twenty-nine".