1423213197 has 32 divisors (see below), whose sum is σ = 2244635904. Its totient is φ = 785203200.

The previous prime is 1423213189. The next prime is 1423213217. The reversal of 1423213197 is 7913123241.

It is not a de Polignac number, because 1423213197 - 2³ = 1423213189 is a prime.

It is a super-2 number, since 2×1423213197² = 4051071608229921618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423218197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74997 + ... + 92037.

It is an arithmetic number, because the mean of its divisors is an integer number (70144872).

Almost surely, 2^1423213197 is an apocalyptic number.

It is an amenable number.

1423213197 is a deficient number, since it is larger than the sum of its proper divisors (821422707).

1423213197 is a wasteful number, since it uses less digits than its factorization.

1423213197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17189.

The product of its digits is 9072, while the sum is 33.

The square root of 1423213197 is about 37725.4979688804. The cubic root of 1423213197 is about 1124.8380203333.

The spelling of 1423213197 in words is "one billion, four hundred twenty-three million, two hundred thirteen thousand, one hundred ninety-seven".