23440011 has 32 divisors (see below), whose sum is σ = 36864000. Its totient is φ = 12972960.

The previous prime is 23440003. The next prime is 23440037. The reversal of 23440011 is 11004432.

It is not a de Polignac number, because 23440011 - 2³ = 23440003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23440411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117690 + ... + 117888.

It is an arithmetic number, because the mean of its divisors is an integer number (1152000).

Almost surely, 2^23440011 is an apocalyptic number.

23440011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23440011 is a deficient number, since it is larger than the sum of its proper divisors (13423989).

23440011 is a wasteful number, since it uses less digits than its factorization.

23440011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 23440011 is about 4841.4885107785. The cubic root of 23440011 is about 286.1887802821.

Adding to 23440011 its reverse (11004432), we get a palindrome (34444443).

The spelling of 23440011 in words is "twenty-three million, four hundred forty thousand, eleven".