1423323300 has 144 divisors (see below), whose sum is σ = 4983431040. Its totient is φ = 306186240.

The previous prime is 1423323287. The next prime is 1423323331. The reversal of 1423323300 is 33233241.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 15766 + ... + 55634.

It is an arithmetic number, because the mean of its divisors is an integer number (34607160).

Almost surely, 2^1423323300 is an apocalyptic number.

1423323300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423323300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2491715520).

1423323300 is an abundant number, since it is smaller than the sum of its proper divisors (3560107740).

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

1423323300 is a wasteful number, since it uses less digits than its factorization.

1423323300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39910 (or 39903 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 1423323300 is about 37726.9572056905. The cubic root of 1423323300 is about 1124.8670262586.

Adding to 1423323300 its reverse (33233241), we get a palindrome (1456556541).

The spelling of 1423323300 in words is "one billion, four hundred twenty-three million, three hundred twenty-three thousand, three hundred".