1322623793400 has 384 divisors, whose sum is σ = 5311918348800. Its totient is φ = 264371558400.

The previous prime is 1322623793357. The next prime is 1322623793459. The reversal of 1322623793400 is 43973262231.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 399930 + ... + 1674870.

It is an arithmetic number, because the mean of its divisors is an integer number (13833120700).

Almost surely, 2^{1322623793400} is an apocalyptic number.

1322623793400 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 1322623793400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2655959174400).

1322623793400 is an abundant number, since it is smaller than the sum of its proper divisors (3989294555400).

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

1322623793400 is a wasteful number, since it uses less digits than its factorization.

1322623793400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274999 (or 1274990 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 42.

The spelling of 1322623793400 in words is "one trillion, three hundred twenty-two billion, six hundred twenty-three million, seven hundred ninety-three thousand, four hundred".