123263512 has 16 divisors (see below), whose sum is σ = 231580800. Its totient is φ = 61508640.

The previous prime is 123263477. The next prime is 123263513. The reversal of 123263512 is 215362321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123263513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11064 + ... + 19207.

It is an arithmetic number, because the mean of its divisors is an integer number (14473800).

Almost surely, 2^123263512 is an apocalyptic number.

It is an amenable number.

123263512 is a deficient number, since it is larger than the sum of its proper divisors (108317288).

123263512 is a wasteful number, since it uses less digits than its factorization.

123263512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30786 (or 30782 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 123263512 is about 11102.4101887833. The cubic root of 123263512 is about 497.6738777590.

The spelling of 123263512 in words is "one hundred twenty-three million, two hundred sixty-three thousand, five hundred twelve".