23020031020111 has 4 divisors (see below), whose sum is σ = 23021205351352. Its totient is φ = 23018856688872.

The previous prime is 23020031020099. The next prime is 23020031020157. The reversal of 23020031020111 is 11102013002032.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23020031020111 - 2⁷ = 23020031019983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23020031020211) 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, 587136216 + ... + 587175421.

It is an arithmetic number, because the mean of its divisors is an integer number (5755301337838).

Almost surely, 2^{23020031020111} is an apocalyptic number.

23020031020111 is a deficient number, since it is larger than the sum of its proper divisors (1174331241).

23020031020111 is a wasteful number, since it uses less digits than its factorization.

23020031020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174331240.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23020031020111 its reverse (11102013002032), we get a palindrome (34122044022143).

The spelling of 23020031020111 in words is "twenty-three trillion, twenty billion, thirty-one million, twenty thousand, one hundred eleven".