40020023403133 has 2 divisors, whose sum is σ = 40020023403134. Its totient is φ = 40020023403132.

The previous prime is 40020023403071. The next prime is 40020023403137. The reversal of 40020023403133 is 33130432002004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23991706885689 + 16028316517444 = 4898133^2 + 4003538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40020023403133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40020023403098 and 40020023403107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40020023403137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20010011701566 + 20010011701567.

It is an arithmetic number, because the mean of its divisors is an integer number (20010011701567).

Almost surely, 2^{40020023403133} is an apocalyptic number.

It is an amenable number.

40020023403133 is a deficient number, since it is larger than the sum of its proper divisors (1).

40020023403133 is an equidigital number, since it uses as much as digits as its factorization.

40020023403133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 40020023403133 its reverse (33130432002004), we get a palindrome (73150455405137).

The spelling of 40020023403133 in words is "forty trillion, twenty billion, twenty-three million, four hundred three thousand, one hundred thirty-three".