210103103423 has 4 divisors (see below), whose sum is σ = 210150311448. Its totient is φ = 210055895400.

The previous prime is 210103103389. The next prime is 210103103461. The reversal of 210103103423 is 324301301012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210103103423 is a prime.

It is a super-3 number, since 3×210103103423³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210103103395 and 210103103404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210103103123) 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, 23597336 + ... + 23606237.

It is an arithmetic number, because the mean of its divisors is an integer number (52537577862).

Almost surely, 2^210103103423 is an apocalyptic number.

210103103423 is a deficient number, since it is larger than the sum of its proper divisors (47208025).

210103103423 is an equidigital number, since it uses as much as digits as its factorization.

210103103423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47208024.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 210103103423 its reverse (324301301012), we get a palindrome (534404404435).

The spelling of 210103103423 in words is "two hundred ten billion, one hundred three million, one hundred three thousand, four hundred twenty-three".