23220111995 has 16 divisors (see below), whose sum is σ = 28553091840. Its totient is φ = 18117081600.

The previous prime is 23220111991. The next prime is 23220112009. The reversal of 23220111995 is 59911102232.

It is not a de Polignac number, because 23220111995 - 2² = 23220111991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23220111991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 671735 + ... + 705455.

It is an arithmetic number, because the mean of its divisors is an integer number (1784568240).

Almost surely, 2^23220111995 is an apocalyptic number.

23220111995 is a deficient number, since it is larger than the sum of its proper divisors (5332979845).

23220111995 is a wasteful number, since it uses less digits than its factorization.

23220111995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37126.

The product of its (nonzero) digits is 9720, while the sum is 35.

The spelling of 23220111995 in words is "twenty-three billion, two hundred twenty million, one hundred eleven thousand, nine hundred ninety-five".