40542045023 has 2 divisors, whose sum is σ = 40542045024. Its totient is φ = 40542045022.

The previous prime is 40542044999. The next prime is 40542045059. The reversal of 40542045023 is 32054024504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40542045023 - 2²⁸ = 40273609567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40542045083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20271022511 + 20271022512.

It is an arithmetic number, because the mean of its divisors is an integer number (20271022512).

Almost surely, 2^40542045023 is an apocalyptic number.

40542045023 is a deficient number, since it is larger than the sum of its proper divisors (1).

40542045023 is an equidigital number, since it uses as much as digits as its factorization.

40542045023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 40542045023 its reverse (32054024504), we get a palindrome (72596069527).

The spelling of 40542045023 in words is "forty billion, five hundred forty-two million, forty-five thousand, twenty-three".