441355423 has 2 divisors, whose sum is σ = 441355424. Its totient is φ = 441355422.

The previous prime is 441355399. The next prime is 441355469. The reversal of 441355423 is 324553144.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441355423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441355493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220677711 + 220677712.

It is an arithmetic number, because the mean of its divisors is an integer number (220677712).

Almost surely, 2^441355423 is an apocalyptic number.

441355423 is a deficient number, since it is larger than the sum of its proper divisors (1).

441355423 is an equidigital number, since it uses as much as digits as its factorization.

441355423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28800, while the sum is 31.

The square root of 441355423 is about 21008.4607479939. The cubic root of 441355423 is about 761.3706929609.

The spelling of 441355423 in words is "four hundred forty-one million, three hundred fifty-five thousand, four hundred twenty-three".