1123312021323 has 32 divisors (see below), whose sum is σ = 1627059225600. Its totient is φ = 687209018496.

The previous prime is 1123312021319. The next prime is 1123312021333. The reversal of 1123312021323 is 3231202133211.

It is not a de Polignac number, because 1123312021323 - 2² = 1123312021319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123312021293 and 1123312021302.

It is not an unprimeable number, because it can be changed into a prime (1123312021303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1473663 + ... + 2101976.

It is an arithmetic number, because the mean of its divisors is an integer number (50845600800).

Almost surely, 2^{1123312021323} is an apocalyptic number.

1123312021323 is a deficient number, since it is larger than the sum of its proper divisors (503747204277).

1123312021323 is a wasteful number, since it uses less digits than its factorization.

1123312021323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575851.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1123312021323 its reverse (3231202133211), we get a palindrome (4354514154534).

The spelling of 1123312021323 in words is "one trillion, one hundred twenty-three billion, three hundred twelve million, twenty-one thousand, three hundred twenty-three".