40202013242323 has 2 divisors, whose sum is σ = 40202013242324. Its totient is φ = 40202013242322.

The previous prime is 40202013242311. The next prime is 40202013242383. The reversal of 40202013242323 is 32324231020204.

40202013242323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40202013242323 - 2²¹ = 40202011145171 is a prime.

It is a super-2 number, since 2×40202013242323² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40202013242291 and 40202013242300.

It is not a weakly prime, because it can be changed into another prime (40202013242383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20101006621161 + 20101006621162.

It is an arithmetic number, because the mean of its divisors is an integer number (20101006621162).

Almost surely, 2^{40202013242323} is an apocalyptic number.

40202013242323 is a deficient number, since it is larger than the sum of its proper divisors (1).

40202013242323 is an equidigital number, since it uses as much as digits as its factorization.

40202013242323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40202013242323 its reverse (32324231020204), we get a palindrome (72526244262527).

The spelling of 40202013242323 in words is "forty trillion, two hundred two billion, thirteen million, two hundred forty-two thousand, three hundred twenty-three".