123421200544283 has 2 divisors, whose sum is σ = 123421200544284. Its totient is φ = 123421200544282.

The previous prime is 123421200544211. The next prime is 123421200544307. The reversal of 123421200544283 is 382445002124321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123421200544283 - 2¹⁸ = 123421200282139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 123421200544283.

It is not a weakly prime, because it can be changed into another prime (123421200574283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61710600272141 + 61710600272142.

It is an arithmetic number, because the mean of its divisors is an integer number (61710600272142).

Almost surely, 2^{123421200544283} is an apocalyptic number.

123421200544283 is a deficient number, since it is larger than the sum of its proper divisors (1).

123421200544283 is an equidigital number, since it uses as much as digits as its factorization.

123421200544283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 123421200544283 in words is "one hundred twenty-three trillion, four hundred twenty-one billion, two hundred million, five hundred forty-four thousand, two hundred eighty-three".