40368897823 has 2 divisors, whose sum is σ = 40368897824. Its totient is φ = 40368897822.

The previous prime is 40368897797. The next prime is 40368897883. The reversal of 40368897823 is 32879886304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40368897823 - 2⁵ = 40368897791 is a prime.

It is a super-2 number, since 2×40368897823² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40368897883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20184448911 + 20184448912.

It is an arithmetic number, because the mean of its divisors is an integer number (20184448912).

Almost surely, 2^40368897823 is an apocalyptic number.

40368897823 is a deficient number, since it is larger than the sum of its proper divisors (1).

40368897823 is an equidigital number, since it uses as much as digits as its factorization.

40368897823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 40368897823 in words is "forty billion, three hundred sixty-eight million, eight hundred ninety-seven thousand, eight hundred twenty-three".