123567228 has 24 divisors (see below), whose sum is σ = 320359760. Its totient is φ = 41189040.

The previous prime is 123567211. The next prime is 123567263. The reversal of 123567228 is 822765321.

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

It is a junction number, because it is equal to n+sod(n) for n = 123567192 and 123567201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571963 + ... + 572178.

Almost surely, 2^123567228 is an apocalyptic number.

123567228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

123567228 is an abundant number, since it is smaller than the sum of its proper divisors (196792532).

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

123567228 is a wasteful number, since it uses less digits than its factorization.

123567228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144154 (or 1144146 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 123567228 is about 11116.0797046441. The cubic root of 123567228 is about 498.0822915252.

The spelling of 123567228 in words is "one hundred twenty-three million, five hundred sixty-seven thousand, two hundred twenty-eight".