123230658 has 16 divisors (see below), whose sum is σ = 247038336. Its totient is φ = 40980720.

The previous prime is 123230651. The next prime is 123230659. The reversal of 123230658 is 856032321.

It is a super-2 number, since 2×123230658² = 30371590142225928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123230651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21241 + ... + 26412.

It is an arithmetic number, because the mean of its divisors is an integer number (15439896).

Almost surely, 2^123230658 is an apocalyptic number.

123230658 is an abundant number, since it is smaller than the sum of its proper divisors (123807678).

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

123230658 is a wasteful number, since it uses less digits than its factorization.

123230658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48089.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 123230658 is about 11100.9305015390. The cubic root of 123230658 is about 497.6296580485.

Adding to 123230658 its reverse (856032321), we get a palindrome (979262979).

The spelling of 123230658 in words is "one hundred twenty-three million, two hundred thirty thousand, six hundred fifty-eight".