40043283023 has 2 divisors, whose sum is σ = 40043283024. Its totient is φ = 40043283022.

The previous prime is 40043282989. The next prime is 40043283031. The reversal of 40043283023 is 32038234004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40043283023 - 2⁶ = 40043282959 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40043283053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20021641511 + 20021641512.

It is an arithmetic number, because the mean of its divisors is an integer number (20021641512).

Almost surely, 2^40043283023 is an apocalyptic number.

40043283023 is a deficient number, since it is larger than the sum of its proper divisors (1).

40043283023 is an equidigital number, since it uses as much as digits as its factorization.

40043283023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

The spelling of 40043283023 in words is "forty billion, forty-three million, two hundred eighty-three thousand, twenty-three".