441401423 has 2 divisors, whose sum is σ = 441401424. Its totient is φ = 441401422.

The previous prime is 441401419. The next prime is 441401459. The reversal of 441401423 is 324104144.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441401423 - 2² = 441401419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441401473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220700711 + 220700712.

It is an arithmetic number, because the mean of its divisors is an integer number (220700712).

Almost surely, 2^441401423 is an apocalyptic number.

441401423 is a deficient number, since it is larger than the sum of its proper divisors (1).

441401423 is an equidigital number, since it uses as much as digits as its factorization.

441401423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 441401423 is about 21009.5555164787. Note that the first 4 decimals coincide. The cubic root of 441401423 is about 761.3971431741.

Adding to 441401423 its reverse (324104144), we get a palindrome (765505567).

The spelling of 441401423 in words is "four hundred forty-one million, four hundred one thousand, four hundred twenty-three".