1123032544345 has 16 divisors (see below), whose sum is σ = 1382618064960. Its totient is φ = 875216954304.

The previous prime is 1123032544327. The next prime is 1123032544457. The reversal of 1123032544345 is 5434452303211.

It is a cyclic number.

It is not a de Polignac number, because 1123032544345 - 2²¹ = 1123030447193 is a prime.

It is a super-2 number, since 2×1123032544345² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6809554 + ... + 6972523.

It is an arithmetic number, because the mean of its divisors is an integer number (86413629060).

Almost surely, 2^{1123032544345} is an apocalyptic number.

It is an amenable number.

1123032544345 is a deficient number, since it is larger than the sum of its proper divisors (259585520615).

1123032544345 is a wasteful number, since it uses less digits than its factorization.

1123032544345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13782504.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 1123032544345 its reverse (5434452303211), we get a palindrome (6557484847556).

The spelling of 1123032544345 in words is "one trillion, one hundred twenty-three billion, thirty-two million, five hundred forty-four thousand, three hundred forty-five".