123403324214251 has 2 divisors, whose sum is σ = 123403324214252. Its totient is φ = 123403324214250.

The previous prime is 123403324214249. The next prime is 123403324214333. The reversal of 123403324214251 is 152412423304321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123403324214251 - 2¹ = 123403324214249 is a prime.

Together with 123403324214249, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 123403324214251.

It is not a weakly prime, because it can be changed into another prime (123403324514251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61701662107125 + 61701662107126.

It is an arithmetic number, because the mean of its divisors is an integer number (61701662107126).

Almost surely, 2^{123403324214251} is an apocalyptic number.

123403324214251 is a deficient number, since it is larger than the sum of its proper divisors (1).

123403324214251 is an equidigital number, since it uses as much as digits as its factorization.

123403324214251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 123403324214251 its reverse (152412423304321), we get a palindrome (275815747518572).

The spelling of 123403324214251 in words is "one hundred twenty-three trillion, four hundred three billion, three hundred twenty-four million, two hundred fourteen thousand, two hundred fifty-one".