23044402 has 8 divisors (see below), whose sum is σ = 34587036. Its totient is φ = 11515392.

The previous prime is 23044391. The next prime is 23044409. The reversal of 23044402 is 20444032.

It can be written as a sum of positive squares in 2 ways, for example, as 22762441 + 281961 = 4771^2 + 531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23044402.

It is not an unprimeable number, because it can be changed into a prime (23044409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4438 + ... + 8110.

Almost surely, 2^23044402 is an apocalyptic number.

23044402 is a deficient number, since it is larger than the sum of its proper divisors (11542634).

23044402 is a wasteful number, since it uses less digits than its factorization.

23044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 23044402 is about 4800.4585197666. The cubic root of 23044402 is about 284.5695852472.

Adding to 23044402 its reverse (20444032), we get a palindrome (43488434).

The spelling of 23044402 in words is "twenty-three million, forty-four thousand, four hundred two".