23020111011 has 8 divisors (see below), whose sum is σ = 30975073360. Its totient is φ = 15205944672.

The previous prime is 23020111003. The next prime is 23020111019. The reversal of 23020111011 is 11011102032.

It is an interprime number because it is at equal distance from previous prime (23020111003) and next prime (23020111019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23020111011 - 2³ = 23020111003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23020111019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35198620 + ... + 35199273.

It is an arithmetic number, because the mean of its divisors is an integer number (3871884170).

Almost surely, 2^23020111011 is an apocalyptic number.

23020111011 is a deficient number, since it is larger than the sum of its proper divisors (7954962349).

23020111011 is a wasteful number, since it uses less digits than its factorization.

23020111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70398005.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 23020111011 its reverse (11011102032), we get a palindrome (34031213043).

The spelling of 23020111011 in words is "twenty-three billion, twenty million, one hundred eleven thousand, eleven".