1322723725400 has 192 divisors, whose sum is σ = 3835214887680. Its totient is φ = 412166361600.

The previous prime is 1322723725391. The next prime is 1322723725469. The reversal of 1322723725400 is 45273272231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71400539 + ... + 71419061.

It is an arithmetic number, because the mean of its divisors is an integer number (19975077540).

Almost surely, 2^{1322723725400} is an apocalyptic number.

1322723725400 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 1322723725400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1917607443840).

1322723725400 is an abundant number, since it is smaller than the sum of its proper divisors (2512491162280).

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

1322723725400 is a wasteful number, since it uses less digits than its factorization.

1322723725400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23194 (or 23185 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

Adding to 1322723725400 its reverse (45273272231), we get a palindrome (1367996997631).

The spelling of 1322723725400 in words is "one trillion, three hundred twenty-two billion, seven hundred twenty-three million, seven hundred twenty-five thousand, four hundred".