123243353353051 has 2 divisors, whose sum is σ = 123243353353052. Its totient is φ = 123243353353050.

The previous prime is 123243353353049. The next prime is 123243353353061. The reversal of 123243353353051 is 150353353342321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 123243353353051 - 2¹ = 123243353353049 is a prime.

Together with 123243353353049, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 123243353352989 and 123243353353007.

It is not a weakly prime, because it can be changed into another prime (123243353353031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61621676676525 + 61621676676526.

It is an arithmetic number, because the mean of its divisors is an integer number (61621676676526).

Almost surely, 2^{123243353353051} is an apocalyptic number.

123243353353051 is a deficient number, since it is larger than the sum of its proper divisors (1).

123243353353051 is an equidigital number, since it uses as much as digits as its factorization.

123243353353051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 43.

The spelling of 123243353353051 in words is "one hundred twenty-three trillion, two hundred forty-three billion, three hundred fifty-three million, three hundred fifty-three thousand, fifty-one".