10721723 has 2 divisors, whose sum is σ = 10721724. Its totient is φ = 10721722.

The previous prime is 10721653. The next prime is 10721731. The reversal of 10721723 is 32712701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10721723 - 2¹⁴ = 10705339 is a prime.

It is a super-2 number, since 2×10721723² = 229910688177458, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10721743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5360861 + 5360862.

It is an arithmetic number, because the mean of its divisors is an integer number (5360862).

Almost surely, 2^10721723 is an apocalyptic number.

10721723 is a deficient number, since it is larger than the sum of its proper divisors (1).

10721723 is an equidigital number, since it uses as much as digits as its factorization.

10721723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 10721723 is about 3274.4042206179. The cubic root of 10721723 is about 220.5065668555.

The spelling of 10721723 in words is "ten million, seven hundred twenty-one thousand, seven hundred twenty-three".