123447052 has 12 divisors (see below), whose sum is σ = 216228096. Its totient is φ = 61667600.

The previous prime is 123447043. The next prime is 123447067. The reversal of 123447052 is 250744321.

It is a self number, because there is not a number n which added to its sum of digits gives 123447052.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8803 + ... + 18010.

It is an arithmetic number, because the mean of its divisors is an integer number (18019008).

Almost surely, 2^123447052 is an apocalyptic number.

It is an amenable number.

123447052 is a deficient number, since it is larger than the sum of its proper divisors (92781044).

123447052 is a wasteful number, since it uses less digits than its factorization.

123447052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27968 (or 27966 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 123447052 is about 11110.6728869137. The cubic root of 123447052 is about 497.9207682425.

The spelling of 123447052 in words is "one hundred twenty-three million, four hundred forty-seven thousand, fifty-two".