123044023 has 4 divisors (see below), whose sum is σ = 123214000. Its totient is φ = 122874048.

The previous prime is 123044021. The next prime is 123044039. The reversal of 123044023 is 320440321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320440321 = 4373 ⋅73277.

It is a cyclic number.

It is not a de Polignac number, because 123044023 - 2¹ = 123044021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123044021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83898 + ... + 85351.

It is an arithmetic number, because the mean of its divisors is an integer number (30803500).

Almost surely, 2^123044023 is an apocalyptic number.

123044023 is a deficient number, since it is larger than the sum of its proper divisors (169977).

123044023 is an equidigital number, since it uses as much as digits as its factorization.

123044023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169976.

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

The square root of 123044023 is about 11092.5210389704. The cubic root of 123044023 is about 497.3783081565.

Adding to 123044023 its reverse (320440321), we get a palindrome (443484344).

The spelling of 123044023 in words is "one hundred twenty-three million, forty-four thousand, twenty-three".