1323213053040 has 120 divisors (see below), whose sum is σ = 4446075254400. Its totient is φ = 352675395072.

The previous prime is 1323213053027. The next prime is 1323213053053. The reversal of 1323213053040 is 403503123231.

1323213053040 is a `hidden beast` number, since 1 + 3 + 2 + 321 + 30 + 5 + 304 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1323213053027) and next prime (1323213053053).

It is a tau number, because it is divible by the number of its divisors (120).

It is a junction number, because it is equal to n+sod(n) for n = 1323213052995 and 1323213053013.

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, 931809 + ... + 1874751.

It is an arithmetic number, because the mean of its divisors is an integer number (37050627120).

Almost surely, 2^{1323213053040} is an apocalyptic number.

1323213053040 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 1323213053040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2223037627200).

1323213053040 is an abundant number, since it is smaller than the sum of its proper divisors (3122862201360).

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

1323213053040 is a wasteful number, since it uses less digits than its factorization.

1323213053040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944911 (or 944902 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 1323213053040 its reverse (403503123231), we get a palindrome (1726716176271).

The spelling of 1323213053040 in words is "one trillion, three hundred twenty-three billion, two hundred thirteen million, fifty-three thousand, forty".