223450356423401 has 2 divisors, whose sum is σ = 223450356423402. Its totient is φ = 223450356423400.

The previous prime is 223450356423377. The next prime is 223450356423443. The reversal of 223450356423401 is 104324653054322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179589883243225 + 43860473180176 = 13401115^2 + 6622724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223450356423401 is a prime.

It is not a weakly prime, because it can be changed into another prime (223450356423451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111725178211700 + 111725178211701.

It is an arithmetic number, because the mean of its divisors is an integer number (111725178211701).

Almost surely, 2^{223450356423401} is an apocalyptic number.

It is an amenable number.

223450356423401 is a deficient number, since it is larger than the sum of its proper divisors (1).

223450356423401 is an equidigital number, since it uses as much as digits as its factorization.

223450356423401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 44.

The spelling of 223450356423401 in words is "two hundred twenty-three trillion, four hundred fifty billion, three hundred fifty-six million, four hundred twenty-three thousand, four hundred one".