1123423123230 has 24 divisors (see below), whose sum is σ = 2920900120632. Its totient is φ = 299579499504.

The previous prime is 1123423123211. The next prime is 1123423123241. The reversal of 1123423123230 is 323213243211.

1123423123230 is a `hidden beast` number, since 1 + 1 + 2 + 3 + 423 + 1 + 2 + 3 + 230 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1123423123194 and 1123423123203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6241239484 + ... + 6241239663.

It is an arithmetic number, because the mean of its divisors is an integer number (121704171693).

Almost surely, 2^{1123423123230} is an apocalyptic number.

1123423123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123423123230 is an abundant number, since it is smaller than the sum of its proper divisors (1797476997402).

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

1123423123230 is a wasteful number, since it uses less digits than its factorization.

1123423123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12482479160 (or 12482479157 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1123423123230 its reverse (323213243211), we get a palindrome (1446636366441).

The spelling of 1123423123230 in words is "one trillion, one hundred twenty-three billion, four hundred twenty-three million, one hundred twenty-three thousand, two hundred thirty".