23124442 has 16 divisors (see below), whose sum is σ = 38096064. Its totient is φ = 10440000.

The previous prime is 23124359. The next prime is 23124449. The reversal of 23124442 is 24442132.

It is a happy number.

It is a super-2 number, since 2×23124442² = 1069479635622728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (23124449) 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 7 ways as a sum of consecutive naturals, for example, 159 + ... + 6802.

It is an arithmetic number, because the mean of its divisors is an integer number (2381004).

Almost surely, 2^23124442 is an apocalyptic number.

23124442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23124442 is a deficient number, since it is larger than the sum of its proper divisors (14971622).

23124442 is a wasteful number, since it uses less digits than its factorization.

23124442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125.

The product of its digits is 1536, while the sum is 22.

The square root of 23124442 is about 4808.7879969905. The cubic root of 23124442 is about 284.8986692191.

Adding to 23124442 its reverse (24442132), we get a palindrome (47566574).

The spelling of 23124442 in words is "twenty-three million, one hundred twenty-four thousand, four hundred forty-two".