1423213432 has 16 divisors (see below), whose sum is σ = 2686437000. Its totient is φ = 706830240.

The previous prime is 1423213409. The next prime is 1423213447. The reversal of 1423213432 is 2343123241.

It is a junction number, because it is equal to n+sod(n) for n = 1423213397 and 1423213406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 595794 + ... + 598177.

Almost surely, 2^1423213432 is an apocalyptic number.

It is an amenable number.

1423213432 is a deficient number, since it is larger than the sum of its proper divisors (1263223568).

1423213432 is a wasteful number, since it uses less digits than its factorization.

1423213432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194126 (or 1194122 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 1423213432 is about 37725.5010834846. The cubic root of 1423213432 is about 1124.8380822441.

Adding to 1423213432 its reverse (2343123241), we get a palindrome (3766336673).

The spelling of 1423213432 in words is "one billion, four hundred twenty-three million, two hundred thirteen thousand, four hundred thirty-two".