23100220001 has 4 divisors (see below), whose sum is σ = 23444999472. Its totient is φ = 22755440532.

The previous prime is 23100219979. The next prime is 23100220037. The reversal of 23100220001 is 10002200132.

It is a happy number.

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 23100220001 - 2²⁶ = 23033111137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23100220061) 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, 172389635 + ... + 172389768.

It is an arithmetic number, because the mean of its divisors is an integer number (5861249868).

Almost surely, 2^23100220001 is an apocalyptic number.

It is an amenable number.

23100220001 is a deficient number, since it is larger than the sum of its proper divisors (344779471).

23100220001 is an equidigital number, since it uses as much as digits as its factorization.

23100220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344779470.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 23100220001 its reverse (10002200132), we get a palindrome (33102420133).

The spelling of 23100220001 in words is "twenty-three billion, one hundred million, two hundred twenty thousand, one".