123523326 has 64 divisors (see below), whose sum is σ = 292377600. Its totient is φ = 38521728.

The previous prime is 123523289. The next prime is 123523331. The reversal of 123523326 is 623325321.

It is a super-2 number, since 2×123523326² = 30516024132204552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 123523326.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219121 + ... + 219683.

It is an arithmetic number, because the mean of its divisors is an integer number (4568400).

Almost surely, 2^123523326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123523326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146188800).

123523326 is an abundant number, since it is smaller than the sum of its proper divisors (168854274).

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

123523326 is a wasteful number, since it uses less digits than its factorization.

123523326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 824 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 123523326 is about 11114.1048222518. The cubic root of 123523326 is about 498.0232969215.

Adding to 123523326 its reverse (623325321), we get a palindrome (746848647).

The spelling of 123523326 in words is "one hundred twenty-three million, five hundred twenty-three thousand, three hundred twenty-six".