1352401544223 has 18 divisors (see below), whose sum is σ = 1980595388616. Its totient is φ = 889250298912.

The previous prime is 1352401544111. The next prime is 1352401544281. The reversal of 1352401544223 is 3224451042531.

It is a happy number.

1352401544223 is a `hidden beast` number, since 1 + 3 + 52 + 40 + 1 + 544 + 2 + 23 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-1352401544223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352401544623) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14051011 + ... + 14146932.

Almost surely, 2^{1352401544223} is an apocalyptic number.

1352401544223 is a deficient number, since it is larger than the sum of its proper divisors (628193844393).

1352401544223 is an equidigital number, since it uses as much as digits as its factorization.

1352401544223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28198095 (or 28198019 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 1352401544223 its reverse (3224451042531), we get a palindrome (4576852586754).

The spelling of 1352401544223 in words is "one trillion, three hundred fifty-two billion, four hundred one million, five hundred forty-four thousand, two hundred twenty-three".