2353643 has 4 divisors (see below), whose sum is σ = 2388840. Its totient is φ = 2318448.

The previous prime is 2353639. The next prime is 2353649. The reversal of 2353643 is 3463532.

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 2353643 - 2² = 2353639 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2353649) 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, 17498 + ... + 17631.

It is an arithmetic number, because the mean of its divisors is an integer number (597210).

2^2353643 is an apocalyptic number.

2353643 is a deficient number, since it is larger than the sum of its proper divisors (35197).

2353643 is an equidigital number, since it uses as much as digits as its factorization.

2353643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35196.

The product of its digits is 6480, while the sum is 26.

The square root of 2353643 is about 1534.1587271205. The cubic root of 2353643 is about 133.0189544659.

The spelling of 2353643 in words is "two million, three hundred fifty-three thousand, six hundred forty-three".