23223557 has 8 divisors (see below), whose sum is σ = 27397632. Its totient is φ = 19263600.

The previous prime is 23223553. The next prime is 23223559. The reversal of 23223557 is 75532232.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23223557 - 2² = 23223553 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223553) 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 7 ways as a sum of consecutive naturals, for example, 53294 + ... + 53727.

It is an arithmetic number, because the mean of its divisors is an integer number (3424704).

Almost surely, 2^23223557 is an apocalyptic number.

It is an amenable number.

23223557 is a deficient number, since it is larger than the sum of its proper divisors (4174075).

23223557 is a wasteful number, since it uses less digits than its factorization.

23223557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107059.

The product of its digits is 12600, while the sum is 29.

The square root of 23223557 is about 4819.0825890412. The cubic root of 23223557 is about 285.3051292410.

Adding to 23223557 its reverse (75532232), we get a palindrome (98755789).

The spelling of 23223557 in words is "twenty-three million, two hundred twenty-three thousand, five hundred fifty-seven".