1223504837632 has 352 divisors, whose sum is σ = 3119541534720. Its totient is φ = 465842257920.

The previous prime is 1223504837629. The next prime is 1223504837699. The reversal of 1223504837632 is 2367384053221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (352).

It is a congruent number.

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, 641585223 + ... + 641587129.

Almost surely, 2^{1223504837632} 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 1223504837632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1559770767360).

1223504837632 is an abundant number, since it is smaller than the sum of its proper divisors (1896036697088).

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

1223504837632 is a wasteful number, since it uses less digits than its factorization.

1223504837632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127 (or 2109 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 1223504837632 in words is "one trillion, two hundred twenty-three billion, five hundred four million, eight hundred thirty-seven thousand, six hundred thirty-two".