2373643 has 4 divisors (see below), whose sum is σ = 2428888. Its totient is φ = 2318400.

The previous prime is 2373611. The next prime is 2373649. The reversal of 2373643 is 3463732.

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

It is a cyclic number.

It is not a de Polignac number, because 2373643 - 2⁵ = 2373611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2373649) 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, 27558 + ... + 27643.

It is an arithmetic number, because the mean of its divisors is an integer number (607222).

2^2373643 is an apocalyptic number.

2373643 is a deficient number, since it is larger than the sum of its proper divisors (55245).

2373643 is an equidigital number, since it uses as much as digits as its factorization.

2373643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55244.

The product of its digits is 9072, while the sum is 28.

The square root of 2373643 is about 1540.6631688984. The cubic root of 2373643 is about 133.3946669210.

The spelling of 2373643 in words is "two million, three hundred seventy-three thousand, six hundred forty-three".