40183668523 has 2 divisors, whose sum is σ = 40183668524. Its totient is φ = 40183668522.

The previous prime is 40183668467. The next prime is 40183668533. The reversal of 40183668523 is 32586638104.

40183668523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40183668523 - 2¹⁷ = 40183537451 is a prime.

It is a super-2 number, since 2×40183668523² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40183668533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20091834261 + 20091834262.

It is an arithmetic number, because the mean of its divisors is an integer number (20091834262).

Almost surely, 2^40183668523 is an apocalyptic number.

40183668523 is a deficient number, since it is larger than the sum of its proper divisors (1).

40183668523 is an equidigital number, since it uses as much as digits as its factorization.

40183668523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 40183668523 in words is "forty billion, one hundred eighty-three million, six hundred sixty-eight thousand, five hundred twenty-three".