1223619696 has 240 divisors, whose sum is σ = 3920332416. Its totient is φ = 367089408.

The previous prime is 1223619673. The next prime is 1223619701. The reversal of 1223619696 is 6969163221.

1223619696 is a `hidden beast` number, since 1 + 2 + 23 + 619 + 6 + 9 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2173111 + ... + 2173673.

Almost surely, 2^1223619696 is an apocalyptic number.

1223619696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1223619696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1960166208).

1223619696 is an abundant number, since it is smaller than the sum of its proper divisors (2696712720).

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

1223619696 is a wasteful number, since it uses less digits than its factorization.

1223619696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642 (or 624 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 1223619696 is about 34980.2758136639. The cubic root of 1223619696 is about 1069.5854497996.

The spelling of 1223619696 in words is "one billion, two hundred twenty-three million, six hundred nineteen thousand, six hundred ninety-six".