123354504353401 has 2 divisors, whose sum is σ = 123354504353402. Its totient is φ = 123354504353400.

The previous prime is 123354504353359. The next prime is 123354504353407. The reversal of 123354504353401 is 104353405453321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103512290461801 + 19842213891600 = 10174099^2 + 4454460^2 .

It is a cyclic number.

It is not a de Polignac number, because 123354504353401 - 2¹⁹ = 123354503829113 is a prime.

It is a super-2 number, since 2×123354504353401² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (123354504353407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61677252176700 + 61677252176701.

It is an arithmetic number, because the mean of its divisors is an integer number (61677252176701).

Almost surely, 2^{123354504353401} is an apocalyptic number.

It is an amenable number.

123354504353401 is a deficient number, since it is larger than the sum of its proper divisors (1).

123354504353401 is an equidigital number, since it uses as much as digits as its factorization.

123354504353401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 123354504353401 in words is "one hundred twenty-three trillion, three hundred fifty-four billion, five hundred four million, three hundred fifty-three thousand, four hundred one".