123047564 has 12 divisors (see below), whose sum is σ = 228000024. Its totient is φ = 57904704.

The previous prime is 123047563. The next prime is 123047567. The reversal of 123047564 is 465740321.

It is a self number, because there is not a number n which added to its sum of digits gives 123047564.

It is not an unprimeable number, because it can be changed into a prime (123047563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904694 + ... + 904829.

It is an arithmetic number, because the mean of its divisors is an integer number (19000002).

Almost surely, 2^123047564 is an apocalyptic number.

It is an amenable number.

123047564 is a deficient number, since it is larger than the sum of its proper divisors (104952460).

123047564 is a wasteful number, since it uses less digits than its factorization.

123047564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809544 (or 1809542 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 123047564 is about 11092.6806498700. The cubic root of 123047564 is about 497.3830793478.

Adding to 123047564 its reverse (465740321), we get a palindrome (588787885).

The spelling of 123047564 in words is "one hundred twenty-three million, forty-seven thousand, five hundred sixty-four".