1124345623 has 4 divisors (see below), whose sum is σ = 1124441488. Its totient is φ = 1124249760.

The previous prime is 1124345591. The next prime is 1124345627. The reversal of 1124345623 is 3265434211.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3265434211 = 13 ⋅251187247.

It is a cyclic number.

It is not a de Polignac number, because 1124345623 - 2⁵ = 1124345591 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 (1124345627) 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, 27411 + ... + 54772.

It is an arithmetic number, because the mean of its divisors is an integer number (281110372).

Almost surely, 2^1124345623 is an apocalyptic number.

1124345623 is a deficient number, since it is larger than the sum of its proper divisors (95865).

1124345623 is an equidigital number, since it uses as much as digits as its factorization.

1124345623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95864.

The product of its digits is 17280, while the sum is 31.

The square root of 1124345623 is about 33531.2633671921. The cubic root of 1124345623 is about 1039.8402192279.

Adding to 1124345623 its reverse (3265434211), we get a palindrome (4389779834).

The spelling of 1124345623 in words is "one billion, one hundred twenty-four million, three hundred forty-five thousand, six hundred twenty-three".