203421023133 has 8 divisors (see below), whose sum is σ = 271242992448. Its totient is φ = 135606534624.

The previous prime is 203421023123. The next prime is 203421023137. The reversal of 203421023133 is 331320124302.

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

It is not a de Polignac number, because 203421023133 - 2¹⁷ = 203420892061 is a prime.

It is a super-2 number, since 2×203421023133² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203421023137) 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, 1806441 + ... + 1915742.

It is an arithmetic number, because the mean of its divisors is an integer number (33905374056).

Almost surely, 2^203421023133 is an apocalyptic number.

It is an amenable number.

203421023133 is a deficient number, since it is larger than the sum of its proper divisors (67821969315).

203421023133 is a wasteful number, since it uses less digits than its factorization.

203421023133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740403.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 203421023133 its reverse (331320124302), we get a palindrome (534741147435).

The spelling of 203421023133 in words is "two hundred three billion, four hundred twenty-one million, twenty-three thousand, one hundred thirty-three".