123343243004 has 12 divisors (see below), whose sum is σ = 223293802200. Its totient is φ = 59545013808.

The previous prime is 123343243003. The next prime is 123343243013. The reversal of 123343243004 is 400342343321.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123343243003) 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, 531651794 + ... + 531652025.

It is an arithmetic number, because the mean of its divisors is an integer number (18607816850).

Almost surely, 2^123343243004 is an apocalyptic number.

It is an amenable number.

123343243004 is a deficient number, since it is larger than the sum of its proper divisors (99950559196).

123343243004 is a wasteful number, since it uses less digits than its factorization.

123343243004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063303852 (or 1063303850 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 123343243004 its reverse (400342343321), we get a palindrome (523685586325).

The spelling of 123343243004 in words is "one hundred twenty-three billion, three hundred forty-three million, two hundred forty-three thousand, four".