123430003004023 has 4 divisors (see below), whose sum is σ = 124050254275600. Its totient is φ = 122809751732448.

The previous prime is 123430003003969. The next prime is 123430003004059. The reversal of 123430003004023 is 320400300034321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123430003004023 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 (123430003008023) 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, 310125635490 + ... + 310125635887.

It is an arithmetic number, because the mean of its divisors is an integer number (31012563568900).

Almost surely, 2^{123430003004023} is an apocalyptic number.

123430003004023 is a deficient number, since it is larger than the sum of its proper divisors (620251271577).

123430003004023 is an equidigital number, since it uses as much as digits as its factorization.

123430003004023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620251271576.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 123430003004023 its reverse (320400300034321), we get a palindrome (443830303038344).

The spelling of 123430003004023 in words is "one hundred twenty-three trillion, four hundred thirty billion, three million, four thousand, twenty-three".