440219023 has 2 divisors, whose sum is σ = 440219024. Its totient is φ = 440219022.

The previous prime is 440218997. The next prime is 440219041. The reversal of 440219023 is 320912044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440219023 - 2⁵ = 440218991 is a prime.

It is a super-2 number, since 2×440219023² = 387585576422149058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440219053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220109511 + 220109512.

It is an arithmetic number, because the mean of its divisors is an integer number (220109512).

Almost surely, 2^440219023 is an apocalyptic number.

440219023 is a deficient number, since it is larger than the sum of its proper divisors (1).

440219023 is an equidigital number, since it uses as much as digits as its factorization.

440219023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 440219023 is about 20981.3970697854. The cubic root of 440219023 is about 760.7166733476.

The spelling of 440219023 in words is "four hundred forty million, two hundred nineteen thousand, twenty-three".