2103404423 has 4 divisors (see below), whose sum is σ = 2175935640. Its totient is φ = 2030873208.

The previous prime is 2103404417. The next prime is 2103404431. The reversal of 2103404423 is 3244043012.

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

It is a cyclic number.

It is not a de Polignac number, because 2103404423 - 2⁸ = 2103404167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103401423) 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, 36265565 + ... + 36265622.

It is an arithmetic number, because the mean of its divisors is an integer number (543983910).

Almost surely, 2^2103404423 is an apocalyptic number.

2103404423 is a deficient number, since it is larger than the sum of its proper divisors (72531217).

2103404423 is an equidigital number, since it uses as much as digits as its factorization.

2103404423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72531216.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2103404423 is about 45862.8872074142. The cubic root of 2103404423 is about 1281.2707966388.

Adding to 2103404423 its reverse (3244043012), we get a palindrome (5347447435).

The spelling of 2103404423 in words is "two billion, one hundred three million, four hundred four thousand, four hundred twenty-three".