203213401403 has 8 divisors (see below), whose sum is σ = 209789602176. Its totient is φ = 196638508800.

The previous prime is 203213401399. The next prime is 203213401499. The reversal of 203213401403 is 304104312302.

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 203213401403 - 2² = 203213401399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203213401903) 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, 6326 + ... + 637547.

It is an arithmetic number, because the mean of its divisors is an integer number (26223700272).

Almost surely, 2^203213401403 is an apocalyptic number.

203213401403 is a deficient number, since it is larger than the sum of its proper divisors (6576200773).

203213401403 is a wasteful number, since it uses less digits than its factorization.

203213401403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654085.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 203213401403 its reverse (304104312302), we get a palindrome (507317713705).

The spelling of 203213401403 in words is "two hundred three billion, two hundred thirteen million, four hundred one thousand, four hundred three".