40131757020323 has 4 divisors (see below), whose sum is σ = 40131841274568. Its totient is φ = 40131672766080.

The previous prime is 40131757020301. The next prime is 40131757020373. The reversal of 40131757020323 is 32302075713104.

It is a happy number.

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 40131757020323 - 2³² = 40127462053027 is a prime.

It is a super-2 number, since 2×40131757020323² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40131757020373) 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, 41408561 + ... + 42366642.

It is an arithmetic number, because the mean of its divisors is an integer number (10032960318642).

Almost surely, 2^{40131757020323} is an apocalyptic number.

40131757020323 is a deficient number, since it is larger than the sum of its proper divisors (84254245).

40131757020323 is an equidigital number, since it uses as much as digits as its factorization.

40131757020323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84254244.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 40131757020323 in words is "forty trillion, one hundred thirty-one billion, seven hundred fifty-seven million, twenty thousand, three hundred twenty-three".