203412473 has 8 divisors (see below), whose sum is σ = 222017760. Its totient is φ = 184826080.

The previous prime is 203412413. The next prime is 203412479. The reversal of 203412473 is 374214302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 203412473 - 2¹² = 203408377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203412479) 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, 27218 + ... + 33876.

It is an arithmetic number, because the mean of its divisors is an integer number (27752220).

Almost surely, 2^203412473 is an apocalyptic number.

It is an amenable number.

203412473 is a deficient number, since it is larger than the sum of its proper divisors (18605287).

203412473 is a wasteful number, since it uses less digits than its factorization.

203412473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9447.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 203412473 is about 14262.2744679802. The cubic root of 203412473 is about 588.1108520777.

Adding to 203412473 its reverse (374214302), we get a palindrome (577626775).

The spelling of 203412473 in words is "two hundred three million, four hundred twelve thousand, four hundred seventy-three".