123434203 has 12 divisors (see below), whose sum is σ = 130792728. Its totient is φ = 116471520.

The previous prime is 123434177. The next prime is 123434243. The reversal of 123434203 is 302434321.

It is a happy number.

It is not a de Polignac number, because 123434203 - 2⁹ = 123433691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123434243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118975 + ... + 120007.

It is an arithmetic number, because the mean of its divisors is an integer number (10899394).

Almost surely, 2^123434203 is an apocalyptic number.

123434203 is a deficient number, since it is larger than the sum of its proper divisors (7358525).

123434203 is a wasteful number, since it uses less digits than its factorization.

123434203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 123434203 is about 11110.0946440613. The cubic root of 123434203 is about 497.9034922638.

Adding to 123434203 its reverse (302434321), we get a palindrome (425868524).

The spelling of 123434203 in words is "one hundred twenty-three million, four hundred thirty-four thousand, two hundred three".