40324723 has 2 divisors, whose sum is σ = 40324724. Its totient is φ = 40324722.

The previous prime is 40324651. The next prime is 40324747. The reversal of 40324723 is 32742304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40324723 - 2²¹ = 38227571 is a prime.

It is not a weakly prime, because it can be changed into another prime (40324793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20162361 + 20162362.

It is an arithmetic number, because the mean of its divisors is an integer number (20162362).

Almost surely, 2^40324723 is an apocalyptic number.

40324723 is a deficient number, since it is larger than the sum of its proper divisors (1).

40324723 is an equidigital number, since it uses as much as digits as its factorization.

40324723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 40324723 is about 6350.1750369576. The cubic root of 40324723 is about 342.9181438171.

The spelling of 40324723 in words is "forty million, three hundred twenty-four thousand, seven hundred twenty-three".