23002001111 has 4 divisors (see below), whose sum is σ = 23216973192. Its totient is φ = 22787029032.

The previous prime is 23002001107. The next prime is 23002001117. The reversal of 23002001111 is 11110020032.

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 23002001111 - 2² = 23002001107 is a prime.

It is a super-2 number, since 2×23002001111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23002001092 and 23002001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23002001117) 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, 107485880 + ... + 107486093.

It is an arithmetic number, because the mean of its divisors is an integer number (5804243298).

Almost surely, 2^23002001111 is an apocalyptic number.

23002001111 is a deficient number, since it is larger than the sum of its proper divisors (214972081).

23002001111 is a wasteful number, since it uses less digits than its factorization.

23002001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214972080.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 23002001111 its reverse (11110020032), we get a palindrome (34112021143).

The spelling of 23002001111 in words is "twenty-three billion, two million, one thousand, one hundred eleven".