623701 has 4 divisors (see below), whose sum is σ = 671692. Its totient is φ = 575712.

The previous prime is 623699. The next prime is 623717. The reversal of 623701 is 107326.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 421201 + 202500 = 649^2 + 450^2 .

It is a cyclic number.

It is not a de Polignac number, because 623701 - 2¹ = 623699 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23976 + ... + 24001.

It is an arithmetic number, because the mean of its divisors is an integer number (167923).

2⁶²³⁷⁰¹ is an apocalyptic number.

It is an amenable number.

623701 is a deficient number, since it is larger than the sum of its proper divisors (47991).

623701 is a wasteful number, since it uses less digits than its factorization.

623701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47990.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 623701 is about 789.7474279794. The cubic root of 623701 is about 85.4395226826.

The spelling of 623701 in words is "six hundred twenty-three thousand, seven hundred one".