1323220554332 has 24 divisors (see below), whose sum is σ = 2452201146864. Its totient is φ = 622602807552.

The previous prime is 1323220554323. The next prime is 1323220554343. The reversal of 1323220554332 is 2334550223231.

It is a junction number, because it is equal to n+sod(n) for n = 1323220554292 and 1323220554301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914738 + ... + 1866329.

It is an arithmetic number, because the mean of its divisors is an integer number (102175047786).

Almost surely, 2^{1323220554332} is an apocalyptic number.

It is an amenable number.

1323220554332 is a deficient number, since it is larger than the sum of its proper divisors (1128980592532).

1323220554332 is a wasteful number, since it uses less digits than its factorization.

1323220554332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788085 (or 2788083 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

Adding to 1323220554332 its reverse (2334550223231), we get a palindrome (3657770777563).

The spelling of 1323220554332 in words is "one trillion, three hundred twenty-three billion, two hundred twenty million, five hundred fifty-four thousand, three hundred thirty-two".