1223013330 has 160 divisors (see below), whose sum is σ = 4100215680. Its totient is φ = 254119680.

The previous prime is 1223013283. The next prime is 1223013349. The reversal of 1223013330 is 333103221.

1223013330 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 52566 + ... + 72174.

It is an arithmetic number, because the mean of its divisors is an integer number (25626348).

Almost surely, 2^1223013330 is an apocalyptic number.

1223013330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223013330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2050107840).

1223013330 is an abundant number, since it is smaller than the sum of its proper divisors (2877202350).

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

1223013330 is a wasteful number, since it uses less digits than its factorization.

1223013330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19646 (or 19637 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1223013330 is about 34971.6074837860. The cubic root of 1223013330 is about 1069.4087425503.

Adding to 1223013330 its reverse (333103221), we get a palindrome (1556116551).

The spelling of 1223013330 in words is "one billion, two hundred twenty-three million, thirteen thousand, three hundred thirty".