123040340201 has 8 divisors (see below), whose sum is σ = 130461523680. Its totient is φ = 115713694368.

The previous prime is 123040340191. The next prime is 123040340231. The reversal of 123040340201 is 102043040321.

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 123040340201 - 2¹⁴ = 123040323817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123040340231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23631731 + ... + 23636936.

It is an arithmetic number, because the mean of its divisors is an integer number (16307690460).

Almost surely, 2^123040340201 is an apocalyptic number.

It is an amenable number.

123040340201 is a deficient number, since it is larger than the sum of its proper divisors (7421183479).

123040340201 is a wasteful number, since it uses less digits than its factorization.

123040340201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47268823.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 123040340201 its reverse (102043040321), we get a palindrome (225083380522).

The spelling of 123040340201 in words is "one hundred twenty-three billion, forty million, three hundred forty thousand, two hundred one".