423344001011 has 4 divisors (see below), whose sum is σ = 425471358000. Its totient is φ = 421216644024.

The previous prime is 423344000987. The next prime is 423344001013. The reversal of 423344001011 is 110100443324.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423344001011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423344001013) 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, 1063678196 + ... + 1063678593.

It is an arithmetic number, because the mean of its divisors is an integer number (106367839500).

Almost surely, 2^423344001011 is an apocalyptic number.

423344001011 is a deficient number, since it is larger than the sum of its proper divisors (2127356989).

423344001011 is a wasteful number, since it uses less digits than its factorization.

423344001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127356988.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 423344001011 its reverse (110100443324), we get a palindrome (533444444335).

The spelling of 423344001011 in words is "four hundred twenty-three billion, three hundred forty-four million, one thousand, eleven".