123243443 has 8 divisors (see below), whose sum is σ = 130450320. Its totient is φ = 116108640.

The previous prime is 123243409. The next prime is 123243473. The reversal of 123243443 is 344342321.

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 123243443 - 2⁸ = 123243187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123243473) 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, 14480 + ... + 21357.

It is an arithmetic number, because the mean of its divisors is an integer number (16306290).

Almost surely, 2^123243443 is an apocalyptic number.

123243443 is a deficient number, since it is larger than the sum of its proper divisors (7206877).

123243443 is a wasteful number, since it uses less digits than its factorization.

123243443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36037.

The product of its digits is 6912, while the sum is 26.

The square root of 123243443 is about 11101.5063392316. The cubic root of 123243443 is about 497.6468669024.

Adding to 123243443 its reverse (344342321), we get a palindrome (467585764).

The spelling of 123243443 in words is "one hundred twenty-three million, two hundred forty-three thousand, four hundred forty-three".