1223500936 has 64 divisors (see below), whose sum is σ = 2706508800. Its totient is φ = 507684672.

The previous prime is 1223500933. The next prime is 1223500961. The reversal of 1223500936 is 6390053221.

It is a junction number, because it is equal to n+sod(n) for n = 1223500898 and 1223500907.

It is not an unprimeable number, because it can be changed into a prime (1223500933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218605 + ... + 224131.

It is an arithmetic number, because the mean of its divisors is an integer number (42289200).

Almost surely, 2^1223500936 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 1223500936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353254400).

1223500936 is an abundant number, since it is smaller than the sum of its proper divisors (1483007864).

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

1223500936 is a wasteful number, since it uses less digits than its factorization.

1223500936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666 (or 5662 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 1223500936 is about 34978.5782444055. The cubic root of 1223500936 is about 1069.5508453447.

The spelling of 1223500936 in words is "one billion, two hundred twenty-three million, five hundred thousand, nine hundred thirty-six".