1123452307 has 4 divisors (see below), whose sum is σ = 1159692736. Its totient is φ = 1087211880.

The previous prime is 1123452299. The next prime is 1123452313. The reversal of 1123452307 is 7032543211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7032543211 = 1249 ⋅5630539.

It is a cyclic number.

It is not a de Polignac number, because 1123452307 - 2³ = 1123452299 is a prime.

It is a super-2 number, since 2×1123452307² = 2524290172207244498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123452347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18120168 + ... + 18120229.

It is an arithmetic number, because the mean of its divisors is an integer number (289923184).

Almost surely, 2^1123452307 is an apocalyptic number.

1123452307 is a deficient number, since it is larger than the sum of its proper divisors (36240429).

1123452307 is an equidigital number, since it uses as much as digits as its factorization.

1123452307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36240428.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1123452307 is about 33517.9400769200. The cubic root of 1123452307 is about 1039.5647546950.

Adding to 1123452307 its reverse (7032543211), we get a palindrome (8155995518).

The spelling of 1123452307 in words is "one billion, one hundred twenty-three million, four hundred fifty-two thousand, three hundred seven".