1122023123 has 12 divisors (see below), whose sum is σ = 1237113360. Its totient is φ = 1011605616.

The previous prime is 1122023101. The next prime is 1122023141. The reversal of 1122023123 is 3213202211.

It is not a de Polignac number, because 1122023123 - 2¹⁸ = 1121760979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122023143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 698 + ... + 47376.

It is an arithmetic number, because the mean of its divisors is an integer number (103092780).

Almost surely, 2^1122023123 is an apocalyptic number.

1122023123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1122023123 is a deficient number, since it is larger than the sum of its proper divisors (115090237).

1122023123 is an equidigital number, since it uses as much as digits as its factorization.

1122023123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46778 (or 46735 counting only the distinct ones).

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

The square root of 1122023123 is about 33496.6136049601. The cubic root of 1122023123 is about 1039.1237450894.

Adding to 1122023123 its reverse (3213202211), we get a palindrome (4335225334).

It can be divided in two parts, 11220 and 23123, that added together give a palindrome (34343).

The spelling of 1122023123 in words is "one billion, one hundred twenty-two million, twenty-three thousand, one hundred twenty-three".