1423322142 has 32 divisors (see below), whose sum is σ = 3189366144. Its totient is φ = 419652000.

The previous prime is 1423322137. The next prime is 1423322143. The reversal of 1423322142 is 2412233241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423322143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288984 + ... + 293867.

It is an arithmetic number, because the mean of its divisors is an integer number (99667692).

Almost surely, 2^1423322142 is an apocalyptic number.

1423322142 is an abundant number, since it is smaller than the sum of its proper divisors (1766044002).

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

1423322142 is a wasteful number, since it uses less digits than its factorization.

1423322142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582904.

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

The square root of 1423322142 is about 37726.9418585710. The cubic root of 1423322142 is about 1124.8667211987.

Adding to 1423322142 its reverse (2412233241), we get a palindrome (3835555383).

The spelling of 1423322142 in words is "one billion, four hundred twenty-three million, three hundred twenty-two thousand, one hundred forty-two".