605123033406401 has 4 divisors (see below), whose sum is σ = 617997991564032. Its totient is φ = 592248075248772.

The previous prime is 605123033406371. The next prime is 605123033406487. The reversal of 605123033406401 is 104604330321506.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 605123033406401 - 2⁶ = 605123033406337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (605123033406701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6437479078745 + ... + 6437479078838.

It is an arithmetic number, because the mean of its divisors is an integer number (154499497891008).

Almost surely, 2^{605123033406401} is an apocalyptic number.

It is an amenable number.

605123033406401 is a deficient number, since it is larger than the sum of its proper divisors (12874958157631).

605123033406401 is a wasteful number, since it uses less digits than its factorization.

605123033406401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12874958157630.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 605123033406401 its reverse (104604330321506), we get a palindrome (709727363727907).

The spelling of 605123033406401 in words is "six hundred five trillion, one hundred twenty-three billion, thirty-three million, four hundred six thousand, four hundred one".