1423332328 has 32 divisors (see below), whose sum is σ = 2918916000. Its totient is φ = 645290560.

The previous prime is 1423332221. The next prime is 1423332329. The reversal of 1423332328 is 8232333241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1423332328.

It is not an unprimeable number, because it can be changed into a prime (1423332329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13443 + ... + 55021.

It is an arithmetic number, because the mean of its divisors is an integer number (91216125).

Almost surely, 2^1423332328 is an apocalyptic number.

It is an amenable number.

1423332328 is an abundant number, since it is smaller than the sum of its proper divisors (1495583672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423332328 is a wasteful number, since it uses less digits than its factorization.

1423332328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41985 (or 41981 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 1423332328 is about 37727.0768546942. The cubic root of 1423332328 is about 1124.8694045606.

Adding to 1423332328 its reverse (8232333241), we get a palindrome (9655665569).

The spelling of 1423332328 in words is "one billion, four hundred twenty-three million, three hundred thirty-two thousand, three hundred twenty-eight".