1323005146320 has 320 divisors, whose sum is σ = 4876391890944. Its totient is φ = 292489512960.

The previous prime is 1323005146291. The next prime is 1323005146343. The reversal of 1323005146320 is 236415003231.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2616337 + ... + 3080783.

Almost surely, 2^{1323005146320} is an apocalyptic number.

1323005146320 is a gapful number since it is divisible by the number (10) 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 1323005146320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2438195945472).

1323005146320 is an abundant number, since it is smaller than the sum of its proper divisors (3553386744624).

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

1323005146320 is a wasteful number, since it uses less digits than its factorization.

1323005146320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464570 (or 464564 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 1323005146320 in words is "one trillion, three hundred twenty-three billion, five million, one hundred forty-six thousand, three hundred twenty".