90707723 has 2 divisors, whose sum is σ = 90707724. Its totient is φ = 90707722.

The previous prime is 90707711. The next prime is 90707731. The reversal of 90707723 is 32770709.

It is a strong prime.

It is an emirp because it is prime and its reverse (32770709) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90707723 - 2¹⁰ = 90706699 is a prime.

It is not a weakly prime, because it can be changed into another prime (90707753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45353861 + 45353862.

It is an arithmetic number, because the mean of its divisors is an integer number (45353862).

Almost surely, 2^90707723 is an apocalyptic number.

90707723 is a deficient number, since it is larger than the sum of its proper divisors (1).

90707723 is an equidigital number, since it uses as much as digits as its factorization.

90707723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 90707723 is about 9524.0602161053. The cubic root of 90707723 is about 449.3120731639.

The spelling of 90707723 in words is "ninety million, seven hundred seven thousand, seven hundred twenty-three".