123100230 has 64 divisors (see below), whose sum is σ = 341273088. Its totient is φ = 28085760.

The previous prime is 123100223. The next prime is 123100231. The reversal of 123100230 is 32001321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123100231) 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, 5362 + ... + 16581.

It is an arithmetic number, because the mean of its divisors is an integer number (5332392).

Almost surely, 2^123100230 is an apocalyptic number.

123100230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123100230 is an abundant number, since it is smaller than the sum of its proper divisors (218172858).

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

123100230 is a wasteful number, since it uses less digits than its factorization.

123100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21981.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 123100230 is about 11095.0543036075. The cubic root of 123100230 is about 497.4540314252.

Adding to 123100230 its reverse (32001321), we get a palindrome (155101551).

The spelling of 123100230 in words is "one hundred twenty-three million, one hundred thousand, two hundred thirty".