123361228 has 6 divisors (see below), whose sum is σ = 215882156. Its totient is φ = 61680612.

The previous prime is 123361223. The next prime is 123361237. The reversal of 123361228 is 822163321.

It is a junction number, because it is equal to n+sod(n) for n = 123361196 and 123361205.

It is not an unprimeable number, because it can be changed into a prime (123361223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15420150 + ... + 15420157.

Almost surely, 2^123361228 is an apocalyptic number.

It is an amenable number.

123361228 is a deficient number, since it is larger than the sum of its proper divisors (92520928).

123361228 is a wasteful number, since it uses less digits than its factorization.

123361228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30840311 (or 30840309 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 123361228 is about 11106.8099830689. The cubic root of 123361228 is about 497.8053517992.

The spelling of 123361228 in words is "one hundred twenty-three million, three hundred sixty-one thousand, two hundred twenty-eight".