123243106 has 16 divisors (see below), whose sum is σ = 213649920. Its totient is φ = 52224480.

The previous prime is 123243103. The next prime is 123243151. The reversal of 123243106 is 601342321.

It is not an unprimeable number, because it can be changed into a prime (123243103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48210 + ... + 50701.

It is an arithmetic number, because the mean of its divisors is an integer number (13353120).

Almost surely, 2^123243106 is an apocalyptic number.

123243106 is a deficient number, since it is larger than the sum of its proper divisors (90406814).

123243106 is an equidigital number, since it uses as much as digits as its factorization.

123243106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99009.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 123243106 is about 11101.4911611008. The cubic root of 123243106 is about 497.6464133092.

Adding to 123243106 its reverse (601342321), we get a palindrome (724585427).

The spelling of 123243106 in words is "one hundred twenty-three million, two hundred forty-three thousand, one hundred six".