40331033111023 has 4 divisors (see below), whose sum is σ = 40368973877008. Its totient is φ = 40293092345040.

The previous prime is 40331033110993. The next prime is 40331033111081. The reversal of 40331033111023 is 32011133013304.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40331033111023 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 (40331033112023) 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, 18970381398 + ... + 18970383523.

It is an arithmetic number, because the mean of its divisors is an integer number (10092243469252).

Almost surely, 2^{40331033111023} is an apocalyptic number.

40331033111023 is a deficient number, since it is larger than the sum of its proper divisors (37940765985).

40331033111023 is a wasteful number, since it uses less digits than its factorization.

40331033111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37940765984.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 40331033111023 its reverse (32011133013304), we get a palindrome (72342166124327).

The spelling of 40331033111023 in words is "forty trillion, three hundred thirty-one billion, thirty-three million, one hundred eleven thousand, twenty-three".