37000040066723 has 2 divisors, whose sum is σ = 37000040066724. Its totient is φ = 37000040066722.

The previous prime is 37000040066653. The next prime is 37000040066777. The reversal of 37000040066723 is 32766004000073.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 37000040066723 - 2⁸ = 37000040066467 is a prime.

It is not a weakly prime, because it can be changed into another prime (37000040066123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18500020033361 + 18500020033362.

It is an arithmetic number, because the mean of its divisors is an integer number (18500020033362).

Almost surely, 2^{37000040066723} is an apocalyptic number.

37000040066723 is a deficient number, since it is larger than the sum of its proper divisors (1).

37000040066723 is an equidigital number, since it uses as much as digits as its factorization.

37000040066723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 38.

Adding to 37000040066723 its reverse (32766004000073), we get a palindrome (69766044066796).

The spelling of 37000040066723 in words is "thirty-seven trillion, forty million, sixty-six thousand, seven hundred twenty-three".