123223788 has 96 divisors (see below), whose sum is σ = 337075200. Its totient is φ = 38852352.

The previous prime is 123223757. The next prime is 123223817. The reversal of 123223788 is 887322321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280473 + ... + 280911.

It is an arithmetic number, because the mean of its divisors is an integer number (3511200).

Almost surely, 2^123223788 is an apocalyptic number.

123223788 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123223788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168537600).

123223788 is an abundant number, since it is smaller than the sum of its proper divisors (213851412).

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

123223788 is a wasteful number, since it uses less digits than its factorization.

123223788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 580 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 123223788 is about 11100.6210637063. The cubic root of 123223788 is about 497.6204104058.

It can be divided in two parts, 12322 and 3788, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 123223788 in words is "one hundred twenty-three million, two hundred twenty-three thousand, seven hundred eighty-eight".