40008099623 has 2 divisors, whose sum is σ = 40008099624. Its totient is φ = 40008099622.

The previous prime is 40008099583. The next prime is 40008099709. The reversal of 40008099623 is 32699080004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40008099623 - 2²⁴ = 39991322407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40008095623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20004049811 + 20004049812.

It is an arithmetic number, because the mean of its divisors is an integer number (20004049812).

Almost surely, 2^40008099623 is an apocalyptic number.

40008099623 is a deficient number, since it is larger than the sum of its proper divisors (1).

40008099623 is an equidigital number, since it uses as much as digits as its factorization.

40008099623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 40008099623 in words is "forty billion, eight million, ninety-nine thousand, six hundred twenty-three".