40213613613023 has 4 divisors (see below), whose sum is σ = 42579120296160. Its totient is φ = 37848106929888.

The previous prime is 40213613612981. The next prime is 40213613613109. The reversal of 40213613613023 is 32031631631204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40213613613023 - 2²⁸ = 40213345177567 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 (40213613613323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1182753341543 + ... + 1182753341576.

It is an arithmetic number, because the mean of its divisors is an integer number (10644780074040).

Almost surely, 2^{40213613613023} is an apocalyptic number.

40213613613023 is a deficient number, since it is larger than the sum of its proper divisors (2365506683137).

40213613613023 is a wasteful number, since it uses less digits than its factorization.

40213613613023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365506683136.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 40213613613023 in words is "forty trillion, two hundred thirteen billion, six hundred thirteen million, six hundred thirteen thousand, twenty-three".