1230123230 has 64 divisors (see below), whose sum is σ = 2687385600. Its totient is φ = 395764224.

The previous prime is 1230123227. The next prime is 1230123277. The reversal of 1230123230 is 323210321.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1230123199 and 1230123208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454421 + ... + 457119.

It is an arithmetic number, because the mean of its divisors is an integer number (41990400).

Almost surely, 2^1230123230 is an apocalyptic number.

1230123230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1230123230 is an abundant number, since it is smaller than the sum of its proper divisors (1457262370).

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

1230123230 is a wasteful number, since it uses less digits than its factorization.

1230123230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1230123230 is about 35073.1126363201. The cubic root of 1230123230 is about 1071.4770499885.

Adding to 1230123230 its reverse (323210321), we get a palindrome (1553333551).

The spelling of 1230123230 in words is "one billion, two hundred thirty million, one hundred twenty-three thousand, two hundred thirty".