244423431 has 12 divisors (see below), whose sum is σ = 403492752. Its totient is φ = 139670496.

The previous prime is 244423423. The next prime is 244423441. The reversal of 244423431 is 134324442.

It is a happy number.

244423431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 244423431 - 2³ = 244423423 is a prime.

It is a super-2 number, since 2×244423431² = 119485627243623522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244423395 and 244423404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244423411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1939806 + ... + 1939931.

It is an arithmetic number, because the mean of its divisors is an integer number (33624396).

Almost surely, 2^244423431 is an apocalyptic number.

244423431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

244423431 is a deficient number, since it is larger than the sum of its proper divisors (159069321).

244423431 is a wasteful number, since it uses less digits than its factorization.

244423431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879750 (or 3879747 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 244423431 is about 15634.0471727573. The cubic root of 244423431 is about 625.2412346640.

Adding to 244423431 its reverse (134324442), we get a palindrome (378747873).

The spelling of 244423431 in words is "two hundred forty-four million, four hundred twenty-three thousand, four hundred thirty-one".