123123036 has 24 divisors (see below), whose sum is σ = 287472640. Its totient is φ = 41014512.

The previous prime is 123123031. The next prime is 123123043. The reversal of 123123036 is 630321321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123123031) 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, 27525 + ... + 31683.

Almost surely, 2^123123036 is an apocalyptic number.

It is an amenable number.

123123036 is an abundant number, since it is smaller than the sum of its proper divisors (164349604).

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

123123036 is a wasteful number, since it uses less digits than its factorization.

123123036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6633 (or 6631 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 123123036 is about 11096.0820112326. The cubic root of 123123036 is about 497.4847495809.

Adding to 123123036 its reverse (630321321), we get a palindrome (753444357).

The spelling of 123123036 in words is "one hundred twenty-three million, one hundred twenty-three thousand, thirty-six".