23420000011 has 4 divisors (see below), whose sum is σ = 23428240632. Its totient is φ = 23411759392.

The previous prime is 23419999961. The next prime is 23420000057. The reversal of 23420000011 is 11000002432.

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-23420000011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23419999946 and 23420000000.

It is not an unprimeable number, because it can be changed into a prime (23420000711) 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, 4116046 + ... + 4121731.

It is an arithmetic number, because the mean of its divisors is an integer number (5857060158).

Almost surely, 2^23420000011 is an apocalyptic number.

23420000011 is a deficient number, since it is larger than the sum of its proper divisors (8240621).

23420000011 is an equidigital number, since it uses as much as digits as its factorization.

23420000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8240620.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 23420000011 its reverse (11000002432), we get a palindrome (34420002443).

The spelling of 23420000011 in words is "twenty-three billion, four hundred twenty million, eleven", and thus it is an aban number.