123240324043 has 8 divisors (see below), whose sum is σ = 123604463808. Its totient is φ = 122876269824.

The previous prime is 123240323989. The next prime is 123240324047. The reversal of 123240324043 is 340423042321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123240324043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123240324047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3928446 + ... + 3959692.

It is an arithmetic number, because the mean of its divisors is an integer number (15450557976).

Almost surely, 2^123240324043 is an apocalyptic number.

123240324043 is a deficient number, since it is larger than the sum of its proper divisors (364139765).

123240324043 is a wasteful number, since it uses less digits than its factorization.

123240324043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42773.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 123240324043 its reverse (340423042321), we get a palindrome (463663366364).

The spelling of 123240324043 in words is "one hundred twenty-three billion, two hundred forty million, three hundred twenty-four thousand, forty-three".