523022172103 has 2 divisors, whose sum is σ = 523022172104. Its totient is φ = 523022172102.

The previous prime is 523022172037. The next prime is 523022172107. The reversal of 523022172103 is 301271220325.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523022172103 is a prime.

It is a super-2 number, since 2×523022172103² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523022172107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261511086051 + 261511086052.

It is an arithmetic number, because the mean of its divisors is an integer number (261511086052).

Almost surely, 2^523022172103 is an apocalyptic number.

523022172103 is a deficient number, since it is larger than the sum of its proper divisors (1).

523022172103 is an equidigital number, since it uses as much as digits as its factorization.

523022172103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 523022172103 its reverse (301271220325), we get a palindrome (824293392428).

The spelling of 523022172103 in words is "five hundred twenty-three billion, twenty-two million, one hundred seventy-two thousand, one hundred three".