203323032402421 has 8 divisors (see below), whose sum is σ = 215420246587584. Its totient is φ = 191241044418240.

The previous prime is 203323032402401. The next prime is 203323032402431. The reversal of 203323032402421 is 124204230323302.

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 203323032402421 - 2⁵ = 203323032402389 is a prime.

It is a super-2 number, since 2×203323032402421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203323032402401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3806522745 + ... + 3806576158.

It is an arithmetic number, because the mean of its divisors is an integer number (26927530823448).

Almost surely, 2^{203323032402421} is an apocalyptic number.

It is an amenable number.

203323032402421 is a deficient number, since it is larger than the sum of its proper divisors (12097214185163).

203323032402421 is a wasteful number, since it uses less digits than its factorization.

203323032402421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7613100491.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 203323032402421 its reverse (124204230323302), we get a palindrome (327527262725723).

The spelling of 203323032402421 in words is "two hundred three trillion, three hundred twenty-three billion, thirty-two million, four hundred two thousand, four hundred twenty-one".