123345340401 has 8 divisors (see below), whose sum is σ = 171610908480. Its totient is φ = 78654999632.

The previous prime is 123345340397. The next prime is 123345340441. The reversal of 123345340401 is 104043543321.

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 123345340401 - 2² = 123345340397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123345340441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893806746 + ... + 893806883.

It is an arithmetic number, because the mean of its divisors is an integer number (21451363560).

Almost surely, 2^123345340401 is an apocalyptic number.

It is an amenable number.

123345340401 is a deficient number, since it is larger than the sum of its proper divisors (48265568079).

123345340401 is a wasteful number, since it uses less digits than its factorization.

123345340401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787613655.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 123345340401 its reverse (104043543321), we get a palindrome (227388883722).

The spelling of 123345340401 in words is "one hundred twenty-three billion, three hundred forty-five million, three hundred forty thousand, four hundred one".