123047512 has 16 divisors (see below), whose sum is σ = 263673360. Its totient is φ = 52734624.

The previous prime is 123047501. The next prime is 123047521. The reversal of 123047512 is 215740321.

It is a happy number.

It is a congruent number.

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, 1098583 + ... + 1098694.

It is an arithmetic number, because the mean of its divisors is an integer number (16479585).

Almost surely, 2^123047512 is an apocalyptic number.

It is an amenable number.

123047512 is an abundant number, since it is smaller than the sum of its proper divisors (140625848).

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

123047512 is a wasteful number, since it uses less digits than its factorization.

123047512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197290 (or 2197286 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 123047512 is about 11092.6783059818. The cubic root of 123047512 is about 497.3830092829.

Adding to 123047512 its reverse (215740321), we get a palindrome (338787833).

The spelling of 123047512 in words is "one hundred twenty-three million, forty-seven thousand, five hundred twelve".