40378575023 has 2 divisors, whose sum is σ = 40378575024. Its totient is φ = 40378575022.

The previous prime is 40378575019. The next prime is 40378575031. The reversal of 40378575023 is 32057587304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40378575023 - 2² = 40378575019 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40378577023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20189287511 + 20189287512.

It is an arithmetic number, because the mean of its divisors is an integer number (20189287512).

Almost surely, 2^40378575023 is an apocalyptic number.

40378575023 is a deficient number, since it is larger than the sum of its proper divisors (1).

40378575023 is an equidigital number, since it uses as much as digits as its factorization.

40378575023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 40378575023 in words is "forty billion, three hundred seventy-eight million, five hundred seventy-five thousand, twenty-three".