123223553 has 8 divisors (see below), whose sum is σ = 125326080. Its totient is φ = 121131360.

The previous prime is 123223549. The next prime is 123223567. The reversal of 123223553 is 355322321.

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 123223553 - 2² = 123223549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123220553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23693 + ... + 28421.

It is an arithmetic number, because the mean of its divisors is an integer number (15665760).

Almost surely, 2^123223553 is an apocalyptic number.

It is an amenable number.

123223553 is a deficient number, since it is larger than the sum of its proper divisors (2102527).

123223553 is an equidigital number, since it uses as much as digits as its factorization.

123223553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167.

The product of its digits is 5400, while the sum is 26.

The square root of 123223553 is about 11100.6104787079. The cubic root of 123223553 is about 497.6200940684.

Adding to 123223553 its reverse (355322321), we get a palindrome (478545874).

The spelling of 123223553 in words is "one hundred twenty-three million, two hundred twenty-three thousand, five hundred fifty-three".