1123203212322 has 16 divisors (see below), whose sum is σ = 2255727616032. Its totient is φ = 372847538880.

The previous prime is 1123203212321. The next prime is 1123203212323. The reversal of 1123203212322 is 2232123023211.

It is an interprime number because it is at equal distance from previous prime (1123203212321) and next prime (1123203212323).

It is a junction number, because it is equal to n+sod(n) for n = 1123203212292 and 1123203212301.

It is not an unprimeable number, because it can be changed into a prime (1123203212321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388381408 + ... + 388384299.

It is an arithmetic number, because the mean of its divisors is an integer number (140982976002).

Almost surely, 2^{1123203212322} is an apocalyptic number.

1123203212322 is an abundant number, since it is smaller than the sum of its proper divisors (1132524403710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123203212322 is a wasteful number, since it uses less digits than its factorization.

1123203212322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776765953.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1123203212322 its reverse (2232123023211), we get a palindrome (3355326235533).

The spelling of 1123203212322 in words is "one trillion, one hundred twenty-three billion, two hundred three million, two hundred twelve thousand, three hundred twenty-two".