23040105 has 32 divisors (see below), whose sum is σ = 41084928. Its totient is φ = 10929600.

The previous prime is 23040091. The next prime is 23040109. The reversal of 23040105 is 50104032.

It is not a de Polignac number, because 23040105 - 2⁷ = 23039977 is a prime.

It is a super-2 number, since 2×23040105² = 1061692876822050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (23040109) 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, 6270 + ... + 9240.

It is an arithmetic number, because the mean of its divisors is an integer number (1283904).

Almost surely, 2^23040105 is an apocalyptic number.

It is an amenable number.

23040105 is a deficient number, since it is larger than the sum of its proper divisors (18044823).

23040105 is a wasteful number, since it uses less digits than its factorization.

23040105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 23040105 is about 4800.0109374875. The cubic root of 23040105 is about 284.5518966199.

Adding to 23040105 its reverse (50104032), we get a palindrome (73144137).

The spelling of 23040105 in words is "twenty-three million, forty thousand, one hundred five".