40013312023 has 16 divisors (see below), whose sum is σ = 40614773760. Its totient is φ = 39417186816.

The previous prime is 40013311993. The next prime is 40013312039. The reversal of 40013312023 is 32021331004.

It is a cyclic number.

It is not a de Polignac number, because 40013312023 - 2⁹ = 40013311511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013312123) 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 in 15 ways as a sum of consecutive naturals, for example, 15335343 + ... + 15337951.

It is an arithmetic number, because the mean of its divisors is an integer number (2538423360).

Almost surely, 2^40013312023 is an apocalyptic number.

40013312023 is a deficient number, since it is larger than the sum of its proper divisors (601461737).

40013312023 is a wasteful number, since it uses less digits than its factorization.

40013312023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3546.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 40013312023 its reverse (32021331004), we get a palindrome (72034643027).

The spelling of 40013312023 in words is "forty billion, thirteen million, three hundred twelve thousand, twenty-three".