40044695023 has 2 divisors, whose sum is σ = 40044695024. Its totient is φ = 40044695022.

The previous prime is 40044695021. The next prime is 40044695027. The reversal of 40044695023 is 32059644004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40044695023 - 2¹ = 40044695021 is a prime.

Together with 40044695021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40044695021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20022347511 + 20022347512.

It is an arithmetic number, because the mean of its divisors is an integer number (20022347512).

Almost surely, 2^40044695023 is an apocalyptic number.

40044695023 is a deficient number, since it is larger than the sum of its proper divisors (1).

40044695023 is an equidigital number, since it uses as much as digits as its factorization.

40044695023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 40044695023 in words is "forty billion, forty-four million, six hundred ninety-five thousand, twenty-three".