123203505034 has 24 divisors (see below), whose sum is σ = 202648411008. Its totient is φ = 56107849920.

The previous prime is 123203504971. The next prime is 123203505067. The reversal of 123203505034 is 430505302321.

It is a junction number, because it is equal to n+sod(n) for n = 123203504993 and 123203505011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3420064 + ... + 3455899.

It is an arithmetic number, because the mean of its divisors is an integer number (8443683792).

Almost surely, 2^123203505034 is an apocalyptic number.

123203505034 is a deficient number, since it is larger than the sum of its proper divisors (79444905974).

123203505034 is a wasteful number, since it uses less digits than its factorization.

123203505034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6876030 (or 6876013 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 123203505034 its reverse (430505302321), we get a palindrome (553708807355).

The spelling of 123203505034 in words is "one hundred twenty-three billion, two hundred three million, five hundred five thousand, thirty-four".