123842243371 has 64 divisors (see below), whose sum is σ = 165479408640. Its totient is φ = 89766144000.

The previous prime is 123842243311. The next prime is 123842243381. The reversal of 123842243371 is 173342248321.

It is a cyclic number.

It is not a de Polignac number, because 123842243371 - 2²¹ = 123840146219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123842243311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83619951 + ... + 83621431.

It is an arithmetic number, because the mean of its divisors is an integer number (2585615760).

Almost surely, 2^123842243371 is an apocalyptic number.

123842243371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123842243371 is a deficient number, since it is larger than the sum of its proper divisors (41637165269).

123842243371 is a wasteful number, since it uses less digits than its factorization.

123842243371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516.

The product of its digits is 193536, while the sum is 40.

The spelling of 123842243371 in words is "one hundred twenty-three billion, eight hundred forty-two million, two hundred forty-three thousand, three hundred seventy-one".