1123369243 has 8 divisors (see below), whose sum is σ = 1233907200. Its totient is φ = 1017972648.

The previous prime is 1123369241. The next prime is 1123369249. The reversal of 1123369243 is 3429633211.

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 1123369243 - 2¹ = 1123369241 is a prime.

It is a super-2 number, since 2×1123369243² = 2523916912236786098, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123369199 and 1123369208.

It is not an unprimeable number, because it can be changed into a prime (1123369241) 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, 1284883 + ... + 1285756.

It is an arithmetic number, because the mean of its divisors is an integer number (154238400).

Almost surely, 2^1123369243 is an apocalyptic number.

1123369243 is a deficient number, since it is larger than the sum of its proper divisors (110537957).

1123369243 is a wasteful number, since it uses less digits than its factorization.

1123369243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570681.

The product of its digits is 23328, while the sum is 34.

The square root of 1123369243 is about 33516.7009563889. The cubic root of 1123369243 is about 1039.5391335110.

The spelling of 1123369243 in words is "one billion, one hundred twenty-three million, three hundred sixty-nine thousand, two hundred forty-three".