40134823432723 has 2 divisors, whose sum is σ = 40134823432724. Its totient is φ = 40134823432722.

The previous prime is 40134823432603. The next prime is 40134823432729. The reversal of 40134823432723 is 32723432843104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40134823432723 - 2²⁵ = 40134789878291 is a prime.

It is a super-2 number, since 2×40134823432723² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40134823432729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20067411716361 + 20067411716362.

It is an arithmetic number, because the mean of its divisors is an integer number (20067411716362).

Almost surely, 2^{40134823432723} is an apocalyptic number.

40134823432723 is a deficient number, since it is larger than the sum of its proper divisors (1).

40134823432723 is an equidigital number, since it uses as much as digits as its factorization.

40134823432723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 46.

The spelling of 40134823432723 in words is "forty trillion, one hundred thirty-four billion, eight hundred twenty-three million, four hundred thirty-two thousand, seven hundred twenty-three".