1123430023 has 8 divisors (see below), whose sum is σ = 1195495200. Its totient is φ = 1052029440.

The previous prime is 1123429999. The next prime is 1123430027. The reversal of 1123430023 is 3200343211.

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 1123430023 - 2⁵ = 1123429991 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 (1123430027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162658 + ... + 169423.

It is an arithmetic number, because the mean of its divisors is an integer number (149436900).

Almost surely, 2^1123430023 is an apocalyptic number.

1123430023 is a deficient number, since it is larger than the sum of its proper divisors (72065177).

1123430023 is a wasteful number, since it uses less digits than its factorization.

1123430023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332297.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1123430023 is about 33517.6076562752. The cubic root of 1123430023 is about 1039.5578812942.

Adding to 1123430023 its reverse (3200343211), we get a palindrome (4323773234).

The spelling of 1123430023 in words is "one billion, one hundred twenty-three million, four hundred thirty thousand, twenty-three".