16490723 has 2 divisors, whose sum is σ = 16490724. Its totient is φ = 16490722.

The previous prime is 16490717. The next prime is 16490741. The reversal of 16490723 is 32709461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16490723 - 2⁴ = 16490707 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16490723.

It is not a weakly prime, because it can be changed into another prime (16490743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8245361 + 8245362.

It is an arithmetic number, because the mean of its divisors is an integer number (8245362).

Almost surely, 2^16490723 is an apocalyptic number.

16490723 is a deficient number, since it is larger than the sum of its proper divisors (1).

16490723 is an equidigital number, since it uses as much as digits as its factorization.

16490723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 16490723 is about 4060.8771220021. The cubic root of 16490723 is about 254.5344472397.

The spelling of 16490723 in words is "sixteen million, four hundred ninety thousand, seven hundred twenty-three".