1055442340323 has 64 divisors (see below), whose sum is σ = 1823471769600. Its totient is φ = 590907571200.

The previous prime is 1055442340307. The next prime is 1055442340357. The reversal of 1055442340323 is 3230432445501.

1055442340323 is a `hidden beast` number, since 1 + 0 + 554 + 42 + 3 + 40 + 3 + 23 = 666.

It is not a de Polignac number, because 1055442340323 - 2⁴ = 1055442340307 is a prime.

It is a super-2 number, since 2×1055442340323² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055442340523) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1830043 + ... + 2336651.

It is an arithmetic number, because the mean of its divisors is an integer number (28491746400).

Almost surely, 2^{1055442340323} is an apocalyptic number.

1055442340323 is a deficient number, since it is larger than the sum of its proper divisors (768029429277).

1055442340323 is a wasteful number, since it uses less digits than its factorization.

1055442340323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506849 (or 506843 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 1055442340323 its reverse (3230432445501), we get a palindrome (4285874785824).

The spelling of 1055442340323 in words is "one trillion, fifty-five billion, four hundred forty-two million, three hundred forty thousand, three hundred twenty-three".