1110121423 has 4 divisors (see below), whose sum is σ = 1125757008. Its totient is φ = 1094485840.

The previous prime is 1110121387. The next prime is 1110121457. The reversal of 1110121423 is 3241210111.

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 1110121423 - 2⁹ = 1110120911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110121397 and 1110121406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110121483) 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, 7817686 + ... + 7817827.

It is an arithmetic number, because the mean of its divisors is an integer number (281439252).

Almost surely, 2^1110121423 is an apocalyptic number.

1110121423 is a deficient number, since it is larger than the sum of its proper divisors (15635585).

1110121423 is an equidigital number, since it uses as much as digits as its factorization.

1110121423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15635584.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1110121423 is about 33318.4847044400. The cubic root of 1110121423 is about 1035.4365581947.

Adding to 1110121423 its reverse (3241210111), we get a palindrome (4351331534).

The spelling of 1110121423 in words is "one billion, one hundred ten million, one hundred twenty-one thousand, four hundred twenty-three".