1323951552 has 168 divisors, whose sum is σ = 4731422592. Its totient is φ = 343872000.

The previous prime is 1323951539. The next prime is 1323951583. The reversal of 1323951552 is 2551593231.

1323951552 is a `hidden beast` number, since 13 + 2 + 3 + 95 + 1 + 552 = 666.

1323951552 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29427 + ... + 59277.

Almost surely, 2^1323951552 is an apocalyptic number.

1323951552 is a gapful number since it is divisible by the number (12) 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 1323951552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2365711296).

1323951552 is an abundant number, since it is smaller than the sum of its proper divisors (3407471040).

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

1323951552 is a wasteful number, since it uses less digits than its factorization.

1323951552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29887 (or 29874 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 1323951552 is about 36386.1450555016. The cubic root of 1323951552 is about 1098.0548411399.

The spelling of 1323951552 in words is "one billion, three hundred twenty-three million, nine hundred fifty-one thousand, five hundred fifty-two".