2023142440123 has 14 divisors (see below), whose sum is σ = 2360330117996. Its totient is φ = 1734121990692.

The previous prime is 2023142440097. The next prime is 2023142440153. The reversal of 2023142440123 is 3210442413202.

It is a de Polignac number, because none of the positive numbers 2^k-2023142440123 is a prime.

It is a super-3 number, since 3×2023142440123³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2023142440091 and 2023142440100.

It is not an unprimeable number, because it can be changed into a prime (2023142440153) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 8480565 + ... + 8715862.

Almost surely, 2^{2023142440123} is an apocalyptic number.

2023142440123 is a deficient number, since it is larger than the sum of its proper divisors (337187677873).

2023142440123 is an frugal number, since it uses more digits than its factorization.

2023142440123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17196469 (or 17196434 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2023142440123 its reverse (3210442413202), we get a palindrome (5233584853325).

The spelling of 2023142440123 in words is "two trillion, twenty-three billion, one hundred forty-two million, four hundred forty thousand, one hundred twenty-three".