1423142422 has 32 divisors (see below), whose sum is σ = 2387750400. Its totient is φ = 631931808.

The previous prime is 1423142417. The next prime is 1423142423. The reversal of 1423142422 is 2242413241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423142423) 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, 62229 + ... + 81967.

It is an arithmetic number, because the mean of its divisors is an integer number (74617200).

Almost surely, 2^1423142422 is an apocalyptic number.

1423142422 is a deficient number, since it is larger than the sum of its proper divisors (964607978).

1423142422 is a wasteful number, since it uses less digits than its factorization.

1423142422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19860.

The product of its digits is 3072, while the sum is 25.

The square root of 1423142422 is about 37724.5599311642. The cubic root of 1423142422 is about 1124.8193743261.

Adding to 1423142422 its reverse (2242413241), we get a palindrome (3665555663).

The spelling of 1423142422 in words is "one billion, four hundred twenty-three million, one hundred forty-two thousand, four hundred twenty-two".