1123025423 has 8 divisors (see below), whose sum is σ = 1280554128. Its totient is φ = 975659904.

The previous prime is 1123025339. The next prime is 1123025447. The reversal of 1123025423 is 3245203211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123025423 - 2¹² = 1123021327 is a prime.

It is a super-2 number, since 2×1123025423² = 2522372201408657858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123021423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2540561 + ... + 2541002.

It is an arithmetic number, because the mean of its divisors is an integer number (160069266).

Almost surely, 2^1123025423 is an apocalyptic number.

1123025423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1123025423 is a deficient number, since it is larger than the sum of its proper divisors (157528705).

1123025423 is a wasteful number, since it uses less digits than its factorization.

1123025423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5081593.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1123025423 is about 33511.5714791175. The cubic root of 1123025423 is about 1039.4330684106.

Adding to 1123025423 its reverse (3245203211), we get a palindrome (4368228634).

The spelling of 1123025423 in words is "one billion, one hundred twenty-three million, twenty-five thousand, four hundred twenty-three".