123451418223103 has 2 divisors, whose sum is σ = 123451418223104. Its totient is φ = 123451418223102.

The previous prime is 123451418223061. The next prime is 123451418223139. The reversal of 123451418223103 is 301322814154321.

It is a strong prime.

It is an emirp because it is prime and its reverse (301322814154321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123451418223103 - 2⁴¹ = 121252394967551 is a prime.

It is a super-2 number, since 2×123451418223103² (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 (123451418223173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61725709111551 + 61725709111552.

It is an arithmetic number, because the mean of its divisors is an integer number (61725709111552).

Almost surely, 2^{123451418223103} is an apocalyptic number.

123451418223103 is a deficient number, since it is larger than the sum of its proper divisors (1).

123451418223103 is an equidigital number, since it uses as much as digits as its factorization.

123451418223103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 123451418223103 in words is "one hundred twenty-three trillion, four hundred fifty-one billion, four hundred eighteen million, two hundred twenty-three thousand, one hundred three".