40303431023 has 8 divisors (see below), whose sum is σ = 41180944320. Its totient is φ = 39426750880.

The previous prime is 40303430983. The next prime is 40303431029. The reversal of 40303431023 is 32013430304.

40303431023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40303431023 - 2²⁴ = 40286653807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40303431023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40303431029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109988 + ... + 304473.

It is an arithmetic number, because the mean of its divisors is an integer number (5147618040).

Almost surely, 2^40303431023 is an apocalyptic number.

40303431023 is a deficient number, since it is larger than the sum of its proper divisors (877513297).

40303431023 is a wasteful number, since it uses less digits than its factorization.

40303431023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416577.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 40303431023 its reverse (32013430304), we get a palindrome (72316861327).

The spelling of 40303431023 in words is "forty billion, three hundred three million, four hundred thirty-one thousand, twenty-three".