1516946723 has 2 divisors, whose sum is σ = 1516946724. Its totient is φ = 1516946722.

The previous prime is 1516946677. The next prime is 1516946749. The reversal of 1516946723 is 3276496151.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1516946723 is a prime.

It is a super-2 number, since 2×1516946723² = 4602254720840877458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1516946323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 758473361 + 758473362.

It is an arithmetic number, because the mean of its divisors is an integer number (758473362).

Almost surely, 2^1516946723 is an apocalyptic number.

1516946723 is a deficient number, since it is larger than the sum of its proper divisors (1).

1516946723 is an equidigital number, since it uses as much as digits as its factorization.

1516946723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 1516946723 is about 38948.0002439150. Note that the first 3 decimals coincide. The cubic root of 1516946723 is about 1149.0090323920.

The spelling of 1516946723 in words is "one billion, five hundred sixteen million, nine hundred forty-six thousand, seven hundred twenty-three".