9723401 has 2 divisors, whose sum is σ = 9723402. Its totient is φ = 9723400.

The previous prime is 9723397. The next prime is 9723403. The reversal of 9723401 is 1043279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8271376 + 1452025 = 2876^2 + 1205^2 .

It is an emirp because it is prime and its reverse (1043279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9723401 - 2² = 9723397 is a prime.

It is a Sophie Germain prime.

Together with 9723403, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9723403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4861700 + 4861701.

It is an arithmetic number, because the mean of its divisors is an integer number (4861701).

Almost surely, 2^9723401 is an apocalyptic number.

It is an amenable number.

9723401 is a deficient number, since it is larger than the sum of its proper divisors (1).

9723401 is an equidigital number, since it uses as much as digits as its factorization.

9723401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 9723401 is about 3118.2368415500. The cubic root of 9723401 is about 213.4384863013.

The spelling of 9723401 in words is "nine million, seven hundred twenty-three thousand, four hundred one".