1123015621363 has 4 divisors (see below), whose sum is σ = 1123025856568. Its totient is φ = 1123005386160.

The previous prime is 1123015621339. The next prime is 1123015621369. The reversal of 1123015621363 is 3631265103211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1123015621363 - 2⁵ = 1123015621331 is a prime.

It is a super-2 number, since 2×1123015621363² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123015621369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4951218 + ... + 5173063.

It is an arithmetic number, because the mean of its divisors is an integer number (280756464142).

Almost surely, 2^{1123015621363} is an apocalyptic number.

1123015621363 is a deficient number, since it is larger than the sum of its proper divisors (10235205).

1123015621363 is a wasteful number, since it uses less digits than its factorization.

1123015621363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10235204.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 1123015621363 in words is "one trillion, one hundred twenty-three billion, fifteen million, six hundred twenty-one thousand, three hundred sixty-three".