998527723 has 2 divisors, whose sum is σ = 998527724. Its totient is φ = 998527722.

The previous prime is 998527709. The next prime is 998527753. The reversal of 998527723 is 327725899.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-998527723 is a prime.

It is a super-2 number, since 2×998527723² = 1994115227199129458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (998527703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499263861 + 499263862.

It is an arithmetic number, because the mean of its divisors is an integer number (499263862).

Almost surely, 2^998527723 is an apocalyptic number.

998527723 is a deficient number, since it is larger than the sum of its proper divisors (1).

998527723 is an equidigital number, since it uses as much as digits as its factorization.

998527723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 52.

The square root of 998527723 is about 31599.4892838476. The cubic root of 998527723 is about 999.5089999584.

The spelling of 998527723 in words is "nine hundred ninety-eight million, five hundred twenty-seven thousand, seven hundred twenty-three".