1123420230 has 24 divisors (see below), whose sum is σ = 2920892832. Its totient is φ = 299578704.

The previous prime is 1123420229. The next prime is 1123420247. The reversal of 1123420230 is 320243211.

1123420230 is a `hidden beast` number, since 1 + 12 + 3 + 420 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 6241134 + ... + 6241313.

It is an arithmetic number, because the mean of its divisors is an integer number (121703868).

Almost surely, 2^1123420230 is an apocalyptic number.

1123420230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123420230 is an abundant number, since it is smaller than the sum of its proper divisors (1797472602).

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

1123420230 is a wasteful number, since it uses less digits than its factorization.

1123420230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12482460 (or 12482457 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1123420230 is about 33517.4615685615. The cubic root of 1123420230 is about 1039.5548606580.

Adding to 1123420230 its reverse (320243211), we get a palindrome (1443663441).

The spelling of 1123420230 in words is "one billion, one hundred twenty-three million, four hundred twenty thousand, two hundred thirty".