40737340404023 has 2 divisors, whose sum is σ = 40737340404024. Its totient is φ = 40737340404022.

The previous prime is 40737340404011. The next prime is 40737340404049. The reversal of 40737340404023 is 32040404373704.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40737340404023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40737340404073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20368670202011 + 20368670202012.

It is an arithmetic number, because the mean of its divisors is an integer number (20368670202012).

Almost surely, 2^{40737340404023} is an apocalyptic number.

40737340404023 is a deficient number, since it is larger than the sum of its proper divisors (1).

40737340404023 is an equidigital number, since it uses as much as digits as its factorization.

40737340404023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 41.

Adding to 40737340404023 its reverse (32040404373704), we get a palindrome (72777744777727).

The spelling of 40737340404023 in words is "forty trillion, seven hundred thirty-seven billion, three hundred forty million, four hundred four thousand, twenty-three".