203400134234 has 16 divisors (see below), whose sum is σ = 333886552416. Its totient is φ = 92162948400.

The previous prime is 203400134191. The next prime is 203400134251. The reversal of 203400134234 is 432431004302.

It is a super-2 number, since 2×203400134234² (a number of 23 digits) contains 22 as substring.

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, 14575772 + ... + 14589719.

It is an arithmetic number, because the mean of its divisors is an integer number (20867909526).

Almost surely, 2^203400134234 is an apocalyptic number.

203400134234 is a deficient number, since it is larger than the sum of its proper divisors (130486418182).

203400134234 is a wasteful number, since it uses less digits than its factorization.

203400134234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29165821.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 203400134234 its reverse (432431004302), we get a palindrome (635831138536).

The spelling of 203400134234 in words is "two hundred three billion, four hundred million, one hundred thirty-four thousand, two hundred thirty-four".