23011011 has 12 divisors (see below), whose sum is σ = 33336888. Its totient is φ = 15295104.

The previous prime is 23010997. The next prime is 23011031. The reversal of 23011011 is 11011032.

It is not a de Polignac number, because 23011011 - 2⁶ = 23010947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 23010984 and 23011002.

It is not an unprimeable number, because it can be changed into a prime (23011031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 445 + ... + 6798.

It is an arithmetic number, because the mean of its divisors is an integer number (2778074).

Almost surely, 2^23011011 is an apocalyptic number.

23011011 is a deficient number, since it is larger than the sum of its proper divisors (10325877).

23011011 is a wasteful number, since it uses less digits than its factorization.

23011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7602 (or 7599 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 23011011 is about 4796.9793620569. The cubic root of 23011011 is about 284.4320730918.

Adding to 23011011 its reverse (11011032), we get a palindrome (34022043).

The spelling of 23011011 in words is "twenty-three million, eleven thousand, eleven".