203123341234 has 16 divisors (see below), whose sum is σ = 343845155520. Its totient is φ = 89145039760.

The previous prime is 203123341231. The next prime is 203123341241. The reversal of 203123341234 is 432143321302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (203123341231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159186934 + ... + 159188209.

It is an arithmetic number, because the mean of its divisors is an integer number (21490322220).

Almost surely, 2^203123341234 is an apocalyptic number.

203123341234 is a deficient number, since it is larger than the sum of its proper divisors (140721814286).

203123341234 is a wasteful number, since it uses less digits than its factorization.

203123341234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318375185.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 203123341234 its reverse (432143321302), we get a palindrome (635266662536).

The spelling of 203123341234 in words is "two hundred three billion, one hundred twenty-three million, three hundred forty-one thousand, two hundred thirty-four".