1431222423 has 8 divisors (see below), whose sum is σ = 1922226288. Its totient is φ = 947183424.

The previous prime is 1431222421. The next prime is 1431222433. The reversal of 1431222423 is 3242221341.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1431222423 - 2¹ = 1431222421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1431222393 and 1431222402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431222421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1740736 + ... + 1741557.

It is an arithmetic number, because the mean of its divisors is an integer number (240278286).

Almost surely, 2^1431222423 is an apocalyptic number.

1431222423 is a deficient number, since it is larger than the sum of its proper divisors (491003865).

1431222423 is a wasteful number, since it uses less digits than its factorization.

1431222423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3482433.

The product of its digits is 2304, while the sum is 24.

The square root of 1431222423 is about 37831.5004064074. The cubic root of 1431222423 is about 1126.9441078920.

Adding to 1431222423 its reverse (3242221341), we get a palindrome (4673443764).

The spelling of 1431222423 in words is "one billion, four hundred thirty-one million, two hundred twenty-two thousand, four hundred twenty-three".