1423452219 has 16 divisors (see below), whose sum is σ = 2172710400. Its totient is φ = 812036160.

The previous prime is 1423452179. The next prime is 1423452229. The reversal of 1423452219 is 9122543241.

It is not a de Polignac number, because 1423452219 - 2¹² = 1423448123 is a prime.

It is a super-2 number, since 2×1423452219² = 4052432439552047922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1423452219.

It is not an unprimeable number, because it can be changed into a prime (1423452229) 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, 44002 + ... + 69159.

It is an arithmetic number, because the mean of its divisors is an integer number (135794400).

Almost surely, 2^1423452219 is an apocalyptic number.

1423452219 is a deficient number, since it is larger than the sum of its proper divisors (749258181).

1423452219 is a wasteful number, since it uses less digits than its factorization.

1423452219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113770.

The product of its digits is 17280, while the sum is 33.

The square root of 1423452219 is about 37728.6657463526. The cubic root of 1423452219 is about 1124.9009872366.

The spelling of 1423452219 in words is "one billion, four hundred twenty-three million, four hundred fifty-two thousand, two hundred nineteen".