123000236 has 24 divisors (see below), whose sum is σ = 228679920. Its totient is φ = 57687552.

The previous prime is 123000233. The next prime is 123000239. The reversal of 123000236 is 632000321.

123000236 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (123000233) and next prime (123000239).

It is a Harshad number since it is a multiple of its sum of digits (17).

123000236 is strictly pandigital in base 9.

It is not an unprimeable number, because it can be changed into a prime (123000233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18395 + ... + 24173.

It is an arithmetic number, because the mean of its divisors is an integer number (9528330).

Almost surely, 2^123000236 is an apocalyptic number.

It is an amenable number.

123000236 is a deficient number, since it is larger than the sum of its proper divisors (105679684).

123000236 is a wasteful number, since it uses less digits than its factorization.

123000236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6113 (or 6111 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 123000236 is about 11090.5471461060. The cubic root of 123000236 is about 497.3193013952.

Adding to 123000236 its reverse (632000321), we get a palindrome (755000557).

The spelling of 123000236 in words is "one hundred twenty-three million, two hundred thirty-six", and thus it is an aban number.