1121304753823 has 4 divisors (see below), whose sum is σ = 1170057134448. Its totient is φ = 1072552373200.

The previous prime is 1121304753817. The next prime is 1121304753827. The reversal of 1121304753823 is 3283574031211.

It is a happy number.

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 1121304753823 - 2¹⁷ = 1121304622751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121304753827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24376190278 + ... + 24376190323.

It is an arithmetic number, because the mean of its divisors is an integer number (292514283612).

Almost surely, 2^{1121304753823} is an apocalyptic number.

1121304753823 is a deficient number, since it is larger than the sum of its proper divisors (48752380625).

1121304753823 is an equidigital number, since it uses as much as digits as its factorization.

1121304753823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48752380624.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 1121304753823 in words is "one trillion, one hundred twenty-one billion, three hundred four million, seven hundred fifty-three thousand, eight hundred twenty-three".