23122404 has 36 divisors (see below), whose sum is σ = 60336640. Its totient is φ = 7458480.

The previous prime is 23122403. The next prime is 23122409. The reversal of 23122404 is 40422132.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23122403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9244 + ... + 11475.

Almost surely, 2^23122404 is an apocalyptic number.

It is an amenable number.

23122404 is an abundant number, since it is smaller than the sum of its proper divisors (37214236).

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

23122404 is a wasteful number, since it uses less digits than its factorization.

23122404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20760 (or 20755 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 23122404 is about 4808.5760886150. The cubic root of 23122404 is about 284.8902994237.

Adding to 23122404 its reverse (40422132), we get a palindrome (63544536).

The spelling of 23122404 in words is "twenty-three million, one hundred twenty-two thousand, four hundred four".