1423221134 has 16 divisors (see below), whose sum is σ = 2183171280. Its totient is φ = 695640960.

The previous prime is 1423221127. The next prime is 1423221157. The reversal of 1423221134 is 4311223241.

It is a congruent number.

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, 15899 + ... + 55670.

It is an arithmetic number, because the mean of its divisors is an integer number (136448205).

Almost surely, 2^1423221134 is an apocalyptic number.

1423221134 is a deficient number, since it is larger than the sum of its proper divisors (759950146).

1423221134 is a wasteful number, since it uses less digits than its factorization.

1423221134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71795.

The product of its digits is 1152, while the sum is 23.

The square root of 1423221134 is about 37725.6031628389. The cubic root of 1423221134 is about 1124.8401113348.

Adding to 1423221134 its reverse (4311223241), we get a palindrome (5734444375).

The spelling of 1423221134 in words is "one billion, four hundred twenty-three million, two hundred twenty-one thousand, one hundred thirty-four".