203202122240023 has 32 divisors (see below), whose sum is σ = 231873948905472. Its totient is φ = 176939640768000.

The previous prime is 203202122240017. The next prime is 203202122240063. The reversal of 203202122240023 is 320042221202302.

It is a cyclic number.

It is not a de Polignac number, because 203202122240023 - 2⁴⁵ = 168017750151191 is a prime.

It is a super-2 number, since 2×203202122240023² (a number of 29 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 203202122240023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203202122240063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18632640 + ... + 27451402.

It is an arithmetic number, because the mean of its divisors is an integer number (7246060903296).

Almost surely, 2^{203202122240023} is an apocalyptic number.

203202122240023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

203202122240023 is a deficient number, since it is larger than the sum of its proper divisors (28671826665449).

203202122240023 is a wasteful number, since it uses less digits than its factorization.

203202122240023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8820735.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 203202122240023 its reverse (320042221202302), we get a palindrome (523244343442325).

The spelling of 203202122240023 in words is "two hundred three trillion, two hundred two billion, one hundred twenty-two million, two hundred forty thousand, twenty-three".