1123432413 has 4 divisors (see below), whose sum is σ = 1497909888. Its totient is φ = 748954940.

The previous prime is 1123432391. The next prime is 1123432441. The reversal of 1123432413 is 3142343211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1123432413 - 2⁵ = 1123432381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123432463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187238733 + ... + 187238738.

It is an arithmetic number, because the mean of its divisors is an integer number (374477472).

Almost surely, 2^1123432413 is an apocalyptic number.

It is an amenable number.

1123432413 is a deficient number, since it is larger than the sum of its proper divisors (374477475).

1123432413 is an equidigital number, since it uses as much as digits as its factorization.

1123432413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374477474.

The product of its digits is 1728, while the sum is 24.

The square root of 1123432413 is about 33517.6433091588. The cubic root of 1123432413 is about 1039.5586184834.

Adding to 1123432413 its reverse (3142343211), we get a palindrome (4265775624).

The spelling of 1123432413 in words is "one billion, one hundred twenty-three million, four hundred thirty-two thousand, four hundred thirteen".