23421104 has 40 divisors (see below), whose sum is σ = 54916128. Its totient is φ = 9446400.

The previous prime is 23421059. The next prime is 23421113. The reversal of 23421104 is 40112432.

It is a super-2 number, since 2×23421104² = 1097096225157632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4247 + ... + 8054.

Almost surely, 2^23421104 is an apocalyptic number.

It is an amenable number.

23421104 is an abundant number, since it is smaller than the sum of its proper divisors (31495024).

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

23421104 is a wasteful number, since it uses less digits than its factorization.

23421104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12333 (or 12327 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 23421104 is about 4839.5355149022. The cubic root of 23421104 is about 286.1118117919. Note that the first 3 decimals are identical.

Adding to 23421104 its reverse (40112432), we get a palindrome (63533536).

The spelling of 23421104 in words is "twenty-three million, four hundred twenty-one thousand, one hundred four".