723901 has 2 divisors, whose sum is σ = 723902. Its totient is φ = 723900.

The previous prime is 723893. The next prime is 723907. The reversal of 723901 is 109327.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422500 + 301401 = 650^2 + 549^2 .

It is a cyclic number.

It is not a de Polignac number, because 723901 - 2³ = 723893 is a prime.

It is equal to p₅₈₃₃₃ and since 723901 and 58333 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (723907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361950 + 361951.

It is an arithmetic number, because the mean of its divisors is an integer number (361951).

2⁷²³⁹⁰¹ is an apocalyptic number.

723901 is the 381-st centered decagonal number.

It is an amenable number.

723901 is a deficient number, since it is larger than the sum of its proper divisors (1).

723901 is an equidigital number, since it uses as much as digits as its factorization.

723901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 723901 is about 850.8237185222. The cubic root of 723901 is about 89.7896734669.

The spelling of 723901 in words is "seven hundred twenty-three thousand, nine hundred one".