1123242023 has 8 divisors (see below), whose sum is σ = 1138715280. Its totient is φ = 1107861120.

The previous prime is 1123242011. The next prime is 1123242061. The reversal of 1123242023 is 3202423211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123242023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123241986 and 1123242004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123241023) 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, 1583 + ... + 47423.

It is an arithmetic number, because the mean of its divisors is an integer number (142339410).

Almost surely, 2^1123242023 is an apocalyptic number.

1123242023 is a deficient number, since it is larger than the sum of its proper divisors (15473257).

1123242023 is a wasteful number, since it uses less digits than its factorization.

1123242023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46177.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1123242023 is about 33514.8030428347. The cubic root of 1123242023 is about 1039.4998899105.

Adding to 1123242023 its reverse (3202423211), we get a palindrome (4325665234).

The spelling of 1123242023 in words is "one billion, one hundred twenty-three million, two hundred forty-two thousand, twenty-three".