23321011 has 12 divisors (see below), whose sum is σ = 28309392. Its totient is φ = 19119408.

The previous prime is 23320987. The next prime is 23321041. The reversal of 23321011 is 11012332.

It is not a de Polignac number, because 23321011 - 2⁹ = 23320499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23320982 and 23321000.

It is not an unprimeable number, because it can be changed into a prime (23321041) 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, 9220 + ... + 11473.

It is an arithmetic number, because the mean of its divisors is an integer number (2359116).

Almost surely, 2^23321011 is an apocalyptic number.

23321011 is a deficient number, since it is larger than the sum of its proper divisors (4988381).

23321011 is a wasteful number, since it uses less digits than its factorization.

23321011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20730 (or 20723 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 23321011 is about 4829.1832642798. The cubic root of 23321011 is about 285.7036516637.

Adding to 23321011 its reverse (11012332), we get a palindrome (34333343).

The spelling of 23321011 in words is "twenty-three million, three hundred twenty-one thousand, eleven".