10640723 has 2 divisors, whose sum is σ = 10640724. Its totient is φ = 10640722.

The previous prime is 10640701. The next prime is 10640731. The reversal of 10640723 is 32704601.

10640723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10640723 is a prime.

It is a super-2 number, since 2×10640723² = 226449971925458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10640783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5320361 + 5320362.

It is an arithmetic number, because the mean of its divisors is an integer number (5320362).

Almost surely, 2^10640723 is an apocalyptic number.

10640723 is a deficient number, since it is larger than the sum of its proper divisors (1).

10640723 is an equidigital number, since it uses as much as digits as its factorization.

10640723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 10640723 is about 3262.0121091130. The cubic root of 10640723 is about 219.9498714989.

The spelling of 10640723 in words is "ten million, six hundred forty thousand, seven hundred twenty-three".