1120123223 has 4 divisors (see below), whose sum is σ = 1143955680. Its totient is φ = 1096290768.

The previous prime is 1120123189. The next prime is 1120123241. The reversal of 1120123223 is 3223210211.

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 1120123223 - 2⁶ = 1120123159 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 (1120123243) 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, 11916158 + ... + 11916251.

It is an arithmetic number, because the mean of its divisors is an integer number (285988920).

Almost surely, 2^1120123223 is an apocalyptic number.

1120123223 is a deficient number, since it is larger than the sum of its proper divisors (23832457).

1120123223 is an equidigital number, since it uses as much as digits as its factorization.

1120123223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23832456.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1120123223 is about 33468.2420064156. The cubic root of 1120123223 is about 1038.5369043724.

Adding to 1120123223 its reverse (3223210211), we get a palindrome (4343333434).

The spelling of 1120123223 in words is "one billion, one hundred twenty million, one hundred twenty-three thousand, two hundred twenty-three".