124320223 has 4 divisors (see below), whose sum is σ = 124453840. Its totient is φ = 124186608.

The previous prime is 124320151. The next prime is 124320253. The reversal of 124320223 is 322023421.

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

It is a cyclic number.

It is not a de Polignac number, because 124320223 - 2¹⁷ = 124189151 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 124320223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124320253) 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, 65403 + ... + 67276.

It is an arithmetic number, because the mean of its divisors is an integer number (31113460).

Almost surely, 2^124320223 is an apocalyptic number.

124320223 is a deficient number, since it is larger than the sum of its proper divisors (133617).

124320223 is an equidigital number, since it uses as much as digits as its factorization.

124320223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133616.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 124320223 is about 11149.8978919091. The cubic root of 124320223 is about 499.0919826739.

Adding to 124320223 its reverse (322023421), we get a palindrome (446343644).

It can be divided in two parts, 1243202 and 23, that added together give a square (1243225 = 1115²).

The spelling of 124320223 in words is "one hundred twenty-four million, three hundred twenty thousand, two hundred twenty-three".