23420340201001 has 4 divisors (see below), whose sum is σ = 23420350057104. Its totient is φ = 23420330344900.

The previous prime is 23420340200981. The next prime is 23420340201007. The reversal of 23420340201001 is 10010204302432.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23420340201001 is a prime.

It is a super-2 number, since 2×23420340201001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23420340201007) 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 3 ways as a sum of consecutive naturals, for example, 1068666 + ... + 6926956.

It is an arithmetic number, because the mean of its divisors is an integer number (5855087514276).

Almost surely, 2^{23420340201001} is an apocalyptic number.

It is an amenable number.

23420340201001 is a deficient number, since it is larger than the sum of its proper divisors (9856103).

23420340201001 is an equidigital number, since it uses as much as digits as its factorization.

23420340201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9856102.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 23420340201001 its reverse (10010204302432), we get a palindrome (33430544503433).

The spelling of 23420340201001 in words is "twenty-three trillion, four hundred twenty billion, three hundred forty million, two hundred one thousand, one".