203413400323 has 8 divisors (see below), whose sum is σ = 232505967200. Its totient is φ = 174329210880.

The previous prime is 203413400257. The next prime is 203413400339. The reversal of 203413400323 is 323004314302.

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 203413400323 - 2²⁹ = 202876529411 is a prime.

It is a super-2 number, since 2×203413400323² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203413410323) 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, 2042238 + ... + 2139523.

It is an arithmetic number, because the mean of its divisors is an integer number (29063245900).

Almost surely, 2^203413400323 is an apocalyptic number.

203413400323 is a deficient number, since it is larger than the sum of its proper divisors (29092566877).

203413400323 is an equidigital number, since it uses as much as digits as its factorization.

203413400323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188717.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 203413400323 its reverse (323004314302), we get a palindrome (526417714625).

The spelling of 203413400323 in words is "two hundred three billion, four hundred thirteen million, four hundred thousand, three hundred twenty-three".