1423205344 has 48 divisors (see below), whose sum is σ = 3060360576. Its totient is φ = 646128000.

The previous prime is 1423205341. The next prime is 1423205359. The reversal of 1423205344 is 4435023241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423205341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368029 + ... + 371875.

It is an arithmetic number, because the mean of its divisors is an integer number (63757512).

Almost surely, 2^1423205344 is an apocalyptic number.

It is an amenable number.

1423205344 is an abundant number, since it is smaller than the sum of its proper divisors (1637155232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423205344 is a wasteful number, since it uses less digits than its factorization.

1423205344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919 (or 4911 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 1423205344 is about 37725.3938879371. The cubic root of 1423205344 is about 1124.8359514539.

Adding to 1423205344 its reverse (4435023241), we get a palindrome (5858228585).

The spelling of 1423205344 in words is "one billion, four hundred twenty-three million, two hundred five thousand, three hundred forty-four".