203410122423001 has 4 divisors (see below), whose sum is σ = 219057054917092. Its totient is φ = 187763189928912.

The previous prime is 203410122422999. The next prime is 203410122423007. The reversal of 203410122423001 is 100324221014302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71693069414976 + 131717053008025 = 8467176^2 + 11476805^2 .

It is not a de Polignac number, because 203410122423001 - 2¹ = 203410122422999 is a prime.

It is a super-2 number, since 2×203410122423001² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203410122423007) 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, 7823466247026 + ... + 7823466247051.

It is an arithmetic number, because the mean of its divisors is an integer number (54764263729273).

Almost surely, 2^{203410122423001} is an apocalyptic number.

It is an amenable number.

203410122423001 is a deficient number, since it is larger than the sum of its proper divisors (15646932494091).

203410122423001 is a wasteful number, since it uses less digits than its factorization.

203410122423001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15646932494090.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 203410122423001 its reverse (100324221014302), we get a palindrome (303734343437303).

The spelling of 203410122423001 in words is "two hundred three trillion, four hundred ten billion, one hundred twenty-two million, four hundred twenty-three thousand, one".