1123021301123 has 8 divisors (see below), whose sum is σ = 1126806235200. Its totient is φ = 1119242073600.

The previous prime is 1123021301099. The next prime is 1123021301159. The reversal of 1123021301123 is 3211031203211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123021301123 - 2¹⁰ = 1123021300099 is a prime.

It is a super-2 number, since 2×1123021301123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123021301095 and 1123021301104.

It is not an unprimeable number, because it can be changed into a prime (1123021301173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032203 + ... + 1819748.

It is an arithmetic number, because the mean of its divisors is an integer number (140850779400).

Almost surely, 2^{1123021301123} is an apocalyptic number.

1123021301123 is a deficient number, since it is larger than the sum of its proper divisors (3784934077).

1123021301123 is an equidigital number, since it uses as much as digits as its factorization.

1123021301123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853277.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1123021301123 its reverse (3211031203211), we get a palindrome (4334052504334).

The spelling of 1123021301123 in words is "one trillion, one hundred twenty-three billion, twenty-one million, three hundred one thousand, one hundred twenty-three".