23144003123 has 4 divisors (see below), whose sum is σ = 23151004920. Its totient is φ = 23137001328.

The previous prime is 23144003017. The next prime is 23144003149. The reversal of 23144003123 is 32130044132.

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 23144003123 - 2²⁰ = 23142954547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23144003173) 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, 3495938 + ... + 3502551.

It is an arithmetic number, because the mean of its divisors is an integer number (5787751230).

Almost surely, 2^23144003123 is an apocalyptic number.

23144003123 is a deficient number, since it is larger than the sum of its proper divisors (7001797).

23144003123 is an equidigital number, since it uses as much as digits as its factorization.

23144003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001796.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23144003123 its reverse (32130044132), we get a palindrome (55274047255).

The spelling of 23144003123 in words is "twenty-three billion, one hundred forty-four million, three thousand, one hundred twenty-three".