23104040 has 16 divisors (see below), whose sum is σ = 51984180. Its totient is φ = 9241600.

The previous prime is 23104027. The next prime is 23104049. The reversal of 23104040 is 4040132.

It can be written as a sum of positive squares in 2 ways, for example, as 20811844 + 2292196 = 4562^2 + 1514^2 .

It is not an unprimeable number, because it can be changed into a prime (23104049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288761 + ... + 288840.

Almost surely, 2^23104040 is an apocalyptic number.

23104040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23104040 is an abundant number, since it is smaller than the sum of its proper divisors (28880140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23104040 is a wasteful number, since it uses less digits than its factorization.

23104040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577612 (or 577608 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23104040 is about 4806.6662043458. Note that the first 3 decimals coincide. The cubic root of 23104040 is about 284.8148587227.

Adding to 23104040 its reverse (4040132), we get a palindrome (27144172).

It can be divided in two parts, 231040 and 40, that multiplied together give a square (9241600 = 3040²).

The spelling of 23104040 in words is "twenty-three million, one hundred four thousand, forty".