1322406423 has 24 divisors (see below), whose sum is σ = 2073297408. Its totient is φ = 807371712.

The previous prime is 1322406383. The next prime is 1322406427. The reversal of 1322406423 is 3246042231.

1322406423 is a `hidden beast` number, since 13 + 2 + 2 + 4 + 0 + 642 + 3 = 666.

It is not a de Polignac number, because 1322406423 - 2⁸ = 1322406167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322406427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29640 + ... + 59357.

It is an arithmetic number, because the mean of its divisors is an integer number (86387392).

Almost surely, 2^1322406423 is an apocalyptic number.

1322406423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1322406423 is a deficient number, since it is larger than the sum of its proper divisors (750890985).

1322406423 is a wasteful number, since it uses less digits than its factorization.

1322406423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89143 (or 89140 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1322406423 is about 36364.9064758869. The cubic root of 1322406423 is about 1097.6275100872.

Adding to 1322406423 its reverse (3246042231), we get a palindrome (4568448654).

The spelling of 1322406423 in words is "one billion, three hundred twenty-two million, four hundred six thousand, four hundred twenty-three".