40450535423 has 2 divisors, whose sum is σ = 40450535424. Its totient is φ = 40450535422.

The previous prime is 40450535407. The next prime is 40450535441. The reversal of 40450535423 is 32453505404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40450535423 - 2⁴ = 40450535407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40450535443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20225267711 + 20225267712.

It is an arithmetic number, because the mean of its divisors is an integer number (20225267712).

Almost surely, 2^40450535423 is an apocalyptic number.

40450535423 is a deficient number, since it is larger than the sum of its proper divisors (1).

40450535423 is an equidigital number, since it uses as much as digits as its factorization.

40450535423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 35.

The spelling of 40450535423 in words is "forty billion, four hundred fifty million, five hundred thirty-five thousand, four hundred twenty-three".