40747031023 has 2 divisors, whose sum is σ = 40747031024. Its totient is φ = 40747031022.

The previous prime is 40747031021. The next prime is 40747031027. The reversal of 40747031023 is 32013074704.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40747031023 - 2¹ = 40747031021 is a prime.

Together with 40747031021, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40747031021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20373515511 + 20373515512.

It is an arithmetic number, because the mean of its divisors is an integer number (20373515512).

Almost surely, 2^40747031023 is an apocalyptic number.

40747031023 is a deficient number, since it is larger than the sum of its proper divisors (1).

40747031023 is an equidigital number, since it uses as much as digits as its factorization.

40747031023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 31.

The spelling of 40747031023 in words is "forty billion, seven hundred forty-seven million, thirty-one thousand, twenty-three".