1043223123 has 8 divisors (see below), whose sum is σ = 1391549328. Its totient is φ = 695189504.

The previous prime is 1043223113. The next prime is 1043223127. The reversal of 1043223123 is 3213223401.

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 1043223123 - 2⁴ = 1043223107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043223123.

It is not an unprimeable number, because it can be changed into a prime (1043223127) 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, 64686 + ... + 79187.

It is an arithmetic number, because the mean of its divisors is an integer number (173943666).

Almost surely, 2^1043223123 is an apocalyptic number.

1043223123 is a deficient number, since it is larger than the sum of its proper divisors (348326205).

1043223123 is a wasteful number, since it uses less digits than its factorization.

1043223123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146293.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1043223123 is about 32298.9647357311. The cubic root of 1043223123 is about 1014.2049710326.

Adding to 1043223123 its reverse (3213223401), we get a palindrome (4256446524).

The spelling of 1043223123 in words is "one billion, forty-three million, two hundred twenty-three thousand, one hundred twenty-three".