1223391036 has 36 divisors (see below), whose sum is σ = 3320634408. Its totient is φ = 349540128.

The previous prime is 1223391031. The next prime is 1223391047. The reversal of 1223391036 is 6301933221.

It is a junction number, because it is equal to n+sod(n) for n = 1223390994 and 1223391012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223391031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1039711 + ... + 1040886.

Almost surely, 2^1223391036 is an apocalyptic number.

It is an amenable number.

1223391036 is an abundant number, since it is smaller than the sum of its proper divisors (2097243372).

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

1223391036 is a wasteful number, since it uses less digits than its factorization.

1223391036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080618 (or 2080609 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 1223391036 is about 34977.0072476191. The cubic root of 1223391036 is about 1069.5188205340.

The spelling of 1223391036 in words is "one billion, two hundred twenty-three million, three hundred ninety-one thousand, thirty-six".