123302238 has 16 divisors (see below), whose sum is σ = 247485456. Its totient is φ = 40953920.

The previous prime is 123302219. The next prime is 123302243. The reversal of 123302238 is 832203321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34881 + ... + 38252.

It is an arithmetic number, because the mean of its divisors is an integer number (15467841).

Almost surely, 2^123302238 is an apocalyptic number.

123302238 is an abundant number, since it is smaller than the sum of its proper divisors (124183218).

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

123302238 is a wasteful number, since it uses less digits than its factorization.

123302238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73419.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 123302238 is about 11104.1540875476. The cubic root of 123302238 is about 497.7259907763.

Adding to 123302238 its reverse (832203321), we get a palindrome (955505559).

The spelling of 123302238 in words is "one hundred twenty-three million, three hundred two thousand, two hundred thirty-eight".