123033203402 has 16 divisors (see below), whose sum is σ = 194327865600. Its totient is φ = 58259412000.

The previous prime is 123033203393. The next prime is 123033203431. The reversal of 123033203402 is 204302330321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425402 + ... + 653477.

It is an arithmetic number, because the mean of its divisors is an integer number (12145491600).

Almost surely, 2^123033203402 is an apocalyptic number.

123033203402 is a deficient number, since it is larger than the sum of its proper divisors (71294662198).

123033203402 is a wasteful number, since it uses less digits than its factorization.

123033203402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081901.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 123033203402 its reverse (204302330321), we get a palindrome (327335533723).

The spelling of 123033203402 in words is "one hundred twenty-three billion, thirty-three million, two hundred three thousand, four hundred two".