123203402 has 16 divisors (see below), whose sum is σ = 212015232. Its totient is φ = 52599120.

The previous prime is 123203383. The next prime is 123203411. The reversal of 123203402 is 204302321.

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, 13049 + ... + 20412.

It is an arithmetic number, because the mean of its divisors is an integer number (13250952).

Almost surely, 2^123203402 is an apocalyptic number.

123203402 is a deficient number, since it is larger than the sum of its proper divisors (88811830).

123203402 is a wasteful number, since it uses less digits than its factorization.

123203402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33733.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 123203402 is about 11099.7027888138. The cubic root of 123203402 is about 497.5929669786.

Adding to 123203402 its reverse (204302321), we get a palindrome (327505723).

The spelling of 123203402 in words is "one hundred twenty-three million, two hundred three thousand, four hundred two".