203343455094 has 64 divisors (see below), whose sum is σ = 445454284800. Its totient is φ = 61505039232.

The previous prime is 203343455059. The next prime is 203343455131. The reversal of 203343455094 is 490554343302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1339047 + ... + 1483149.

It is an arithmetic number, because the mean of its divisors is an integer number (6960223200).

Almost surely, 2^203343455094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203343455094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222727142400).

203343455094 is an abundant number, since it is smaller than the sum of its proper divisors (242110829706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203343455094 is a wasteful number, since it uses less digits than its factorization.

203343455094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144429.

The product of its (nonzero) digits is 777600, while the sum is 42.

Adding to 203343455094 its reverse (490554343302), we get a palindrome (693897798396).

The spelling of 203343455094 in words is "two hundred three billion, three hundred forty-three million, four hundred fifty-five thousand, ninety-four".