244023413 has 4 divisors (see below), whose sum is σ = 251895168. Its totient is φ = 236151660.

The previous prime is 244023407. The next prime is 244023419. The reversal of 244023413 is 314320442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 314320442 = 2 ⋅157160221.

It is an interprime number because it is at equal distance from previous prime (244023407) and next prime (244023419).

It is a cyclic number.

It is not a de Polignac number, because 244023413 - 2²⁴ = 227246197 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 (244023419) 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, 3935831 + ... + 3935892.

It is an arithmetic number, because the mean of its divisors is an integer number (62973792).

Almost surely, 2^244023413 is an apocalyptic number.

It is an amenable number.

244023413 is a deficient number, since it is larger than the sum of its proper divisors (7871755).

244023413 is an equidigital number, since it uses as much as digits as its factorization.

244023413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7871754.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 244023413 is about 15621.2487657037. The cubic root of 244023413 is about 624.8999630824.

Adding to 244023413 its reverse (314320442), we get a palindrome (558343855).

The spelling of 244023413 in words is "two hundred forty-four million, twenty-three thousand, four hundred thirteen".