23208349 has 4 divisors (see below), whose sum is σ = 24573564. Its totient is φ = 21843136.

The previous prime is 23208301. The next prime is 23208391. The reversal of 23208349 is 94380232.

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 9108324 + 14100025 = 3018^2 + 3755^2 .

It is a cyclic number.

It is not a de Polignac number, because 23208349 - 2⁷ = 23208221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23208349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23208749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682582 + ... + 682615.

It is an arithmetic number, because the mean of its divisors is an integer number (6143391).

Almost surely, 2^23208349 is an apocalyptic number.

It is an amenable number.

23208349 is a deficient number, since it is larger than the sum of its proper divisors (1365215).

23208349 is a wasteful number, since it uses less digits than its factorization.

23208349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365214.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 23208349 is about 4817.5044369466. The cubic root of 23208349 is about 285.2428380673.

The spelling of 23208349 in words is "twenty-three million, two hundred eight thousand, three hundred forty-nine".