1223423300 has 72 divisors (see below), whose sum is σ = 3048659040. Its totient is φ = 421459200.

The previous prime is 1223423263. The next prime is 1223423317. The reversal of 1223423300 is 33243221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8369 + ... + 50168.

Almost surely, 2^1223423300 is an apocalyptic number.

1223423300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223423300 is an abundant number, since it is smaller than the sum of its proper divisors (1825235740).

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

1223423300 is a wasteful number, since it uses less digits than its factorization.

1223423300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58581 (or 58574 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1223423300 is about 34977.4684618541. The cubic root of 1223423300 is about 1069.5282224480.

Adding to 1223423300 its reverse (33243221), we get a palindrome (1256666521).

The spelling of 1223423300 in words is "one billion, two hundred twenty-three million, four hundred twenty-three thousand, three hundred".