1223071896 has 32 divisors (see below), whose sum is σ = 3066462000. Its totient is φ = 406519680.

The previous prime is 1223071891. The next prime is 1223071903. The reversal of 1223071896 is 6981703221.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223071891) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 64635 + ... + 81386.

Almost surely, 2^1223071896 is an apocalyptic number.

It is an amenable number.

1223071896 is an abundant number, since it is smaller than the sum of its proper divisors (1843390104).

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

1223071896 is a wasteful number, since it uses less digits than its factorization.

1223071896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146379 (or 146375 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1223071896 is about 34972.4448101645. Note that the first 3 decimals coincide. The cubic root of 1223071896 is about 1069.4258124086.

The spelling of 1223071896 in words is "one billion, two hundred twenty-three million, seventy-one thousand, eight hundred ninety-six".