1423431368 has 12 divisors (see below), whose sum is σ = 2669133915. Its totient is φ = 711662328.

The previous prime is 1423431349. The next prime is 1423431377. The reversal of 1423431368 is 8631343241.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 711715684 + 711715684 = 26678^2 + 26678^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=26678.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 100043 + ... + 113381.

Almost surely, 2^1423431368 is an apocalyptic number.

It is an amenable number.

1423431368 is a deficient number, since it is larger than the sum of its proper divisors (1245702547).

1423431368 is an frugal number, since it uses more digits than its factorization.

1423431368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26684 (or 13341 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 1423431368 is about 37728.3894169894. The cubic root of 1423431368 is about 1124.8954946216.

Multiplying 1423431368 by its product of digits (41472), we get a square (59032545693696 = 7683264²).

The spelling of 1423431368 in words is "one billion, four hundred twenty-three million, four hundred thirty-one thousand, three hundred sixty-eight".