123223200 has 72 divisors (see below), whose sum is σ = 401099328. Its totient is φ = 32858880.

The previous prime is 123223193. The next prime is 123223207. The reversal of 123223200 is 2322321.

It is an interprime number because it is at equal distance from previous prime (123223193) and next prime (123223207).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 123223200.

It is not an unprimeable number, because it can be changed into a prime (123223207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23272 + ... + 28071.

It is an arithmetic number, because the mean of its divisors is an integer number (5570824).

Almost surely, 2^123223200 is an apocalyptic number.

123223200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123223200 is an abundant number, since it is smaller than the sum of its proper divisors (277876128).

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

123223200 is a wasteful number, since it uses less digits than its factorization.

123223200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51366 (or 51353 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 123223200 is about 11100.5945786701. The cubic root of 123223200 is about 497.6196188885.

Adding to 123223200 its reverse (2322321), we get a palindrome (125545521).

The spelling of 123223200 in words is "one hundred twenty-three million, two hundred twenty-three thousand, two hundred".