123240314243 has 8 divisors (see below), whose sum is σ = 126900308976. Its totient is φ = 119611468800.

The previous prime is 123240314237. The next prime is 123240314269. The reversal of 123240314243 is 342413042321.

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

It is a cyclic number.

It is not a de Polignac number, because 123240314243 - 2⁶ = 123240314179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123240314273) 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, 7779293 + ... + 7795118.

It is an arithmetic number, because the mean of its divisors is an integer number (15862538622).

Almost surely, 2^123240314243 is an apocalyptic number.

123240314243 is a deficient number, since it is larger than the sum of its proper divisors (3659994733).

123240314243 is a wasteful number, since it uses less digits than its factorization.

123240314243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15574645.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 123240314243 its reverse (342413042321), we get a palindrome (465653356564).

The spelling of 123240314243 in words is "one hundred twenty-three billion, two hundred forty million, three hundred fourteen thousand, two hundred forty-three".