23013111 has 12 divisors (see below), whose sum is σ = 33727736. Its totient is φ = 13947120.

The previous prime is 23013103. The next prime is 23013119. The reversal of 23013111 is 11131032.

It is an interprime number because it is at equal distance from previous prime (23013103) and next prime (23013119).

It is not a de Polignac number, because 23013111 - 2³ = 23013103 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 (23013119) 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 11 ways as a sum of consecutive naturals, for example, 31336 + ... + 32061.

Almost surely, 2^23013111 is an apocalyptic number.

23013111 is a deficient number, since it is larger than the sum of its proper divisors (10714625).

23013111 is a wasteful number, since it uses less digits than its factorization.

23013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63422 (or 63411 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 23013111 is about 4797.1982448092. The cubic root of 23013111 is about 284.4407253146.

Adding to 23013111 its reverse (11131032), we get a palindrome (34144143).

The spelling of 23013111 in words is "twenty-three million, thirteen thousand, one hundred eleven".