1023223012 has 96 divisors (see below), whose sum is σ = 2181251072. Its totient is φ = 410852736.

The previous prime is 1023223009. The next prime is 1023223043. The reversal of 1023223012 is 2103223201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4588333 + ... + 4588555.

Almost surely, 2^1023223012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023223012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1090625536).

1023223012 is an abundant number, since it is smaller than the sum of its proper divisors (1158028060).

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

1023223012 is a wasteful number, since it uses less digits than its factorization.

1023223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1023223012 is about 31987.8572586536. The cubic root of 1023223012 is about 1007.6818421968.

Adding to 1023223012 its reverse (2103223201), we get a palindrome (3126446213).

The spelling of 1023223012 in words is "one billion, twenty-three million, two hundred twenty-three thousand, twelve".