203213223001 has 4 divisors (see below), whose sum is σ = 207939111952. Its totient is φ = 198487334052.

The previous prime is 203213222977. The next prime is 203213223007. The reversal of 203213223001 is 100322312302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 203213223001 - 2⁵ = 203213222969 is a prime.

It is a super-2 number, since 2×203213223001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203213223001.

It is not an unprimeable number, because it can be changed into a prime (203213223007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2362944411 + ... + 2362944496.

It is an arithmetic number, because the mean of its divisors is an integer number (51984777988).

Almost surely, 2^203213223001 is an apocalyptic number.

It is an amenable number.

203213223001 is a deficient number, since it is larger than the sum of its proper divisors (4725888951).

203213223001 is an equidigital number, since it uses as much as digits as its factorization.

203213223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725888950.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 203213223001 its reverse (100322312302), we get a palindrome (303535535303).

The spelling of 203213223001 in words is "two hundred three billion, two hundred thirteen million, two hundred twenty-three thousand, one".