1043112423 has 4 divisors (see below), whose sum is σ = 1390816568. Its totient is φ = 695408280.

The previous prime is 1043112419. The next prime is 1043112431. The reversal of 1043112423 is 3242113401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1043112423 - 2² = 1043112419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1043112423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043112493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173852068 + ... + 173852073.

It is an arithmetic number, because the mean of its divisors is an integer number (347704142).

Almost surely, 2^1043112423 is an apocalyptic number.

1043112423 is a deficient number, since it is larger than the sum of its proper divisors (347704145).

1043112423 is an equidigital number, since it uses as much as digits as its factorization.

1043112423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347704144.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1043112423 is about 32297.2510130506. The cubic root of 1043112423 is about 1014.1690961690.

Adding to 1043112423 its reverse (3242113401), we get a palindrome (4285225824).

The spelling of 1043112423 in words is "one billion, forty-three million, one hundred twelve thousand, four hundred twenty-three".