1323023420404 has 12 divisors (see below), whose sum is σ = 2646046840864. Its totient is φ = 567010037304.

The previous prime is 1323023420399. The next prime is 1323023420437. The reversal of 1323023420404 is 4040243203231.

1323023420404 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 47250836443 = 1323023420404 / (1 + 3 + 2 + 3 + 0 + 2 + 3 + 4 + 2 + 0 + 4 + 0 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23625418194 + ... + 23625418249.

Almost surely, 2^{1323023420404} is an apocalyptic number.

1323023420404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1323023420404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1323023420404 is a wasteful number, since it uses less digits than its factorization.

1323023420404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47250836454 (or 47250836452 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1323023420404 its reverse (4040243203231), we get a palindrome (5363266623635).

The spelling of 1323023420404 in words is "one trillion, three hundred twenty-three billion, twenty-three million, four hundred twenty thousand, four hundred four".