22320123 has 16 divisors (see below), whose sum is σ = 34283520. Its totient is φ = 12652416.

The previous prime is 22320101. The next prime is 22320127. The reversal of 22320123 is 32102322.

It is not a de Polignac number, because 22320123 - 2⁶ = 22320059 is a prime.

It is a super-3 number, since 3×22320123³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22320127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518 + ... + 6851.

It is an arithmetic number, because the mean of its divisors is an integer number (2142720).

Almost surely, 2^22320123 is an apocalyptic number.

22320123 is a deficient number, since it is larger than the sum of its proper divisors (11963397).

22320123 is a wasteful number, since it uses less digits than its factorization.

22320123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8506.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22320123 is about 4724.4177419022. The cubic root of 22320123 is about 281.5564805215.

Adding to 22320123 its reverse (32102322), we get a palindrome (54422445).

The spelling of 22320123 in words is "twenty-two million, three hundred twenty thousand, one hundred twenty-three".