1423431226 has 16 divisors (see below), whose sum is σ = 2442476160. Its totient is φ = 609464880.

The previous prime is 1423431173. The next prime is 1423431239. The reversal of 1423431226 is 6221343241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1423431194 and 1423431203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32590 + ... + 62521.

It is an arithmetic number, because the mean of its divisors is an integer number (152654760).

Almost surely, 2^1423431226 is an apocalyptic number.

1423431226 is a deficient number, since it is larger than the sum of its proper divisors (1019044934).

1423431226 is a wasteful number, since it uses less digits than its factorization.

1423431226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96189.

The product of its digits is 6912, while the sum is 28.

The square root of 1423431226 is about 37728.3875351174. The cubic root of 1423431226 is about 1124.8954572155.

Adding to 1423431226 its reverse (6221343241), we get a palindrome (7644774467).

The spelling of 1423431226 in words is "one billion, four hundred twenty-three million, four hundred thirty-one thousand, two hundred twenty-six".