123283572 has 12 divisors (see below), whose sum is σ = 287661696. Its totient is φ = 41094520.

The previous prime is 123283547. The next prime is 123283579. The reversal of 123283572 is 275382321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123283579) 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, 5136804 + ... + 5136827.

It is an arithmetic number, because the mean of its divisors is an integer number (23971808).

Almost surely, 2^123283572 is an apocalyptic number.

123283572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123283572 is an abundant number, since it is smaller than the sum of its proper divisors (164378124).

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

123283572 is a wasteful number, since it uses less digits than its factorization.

123283572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10273638 (or 10273636 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 123283572 is about 11103.3135594740. The cubic root of 123283572 is about 497.7008735729.

The spelling of 123283572 in words is "one hundred twenty-three million, two hundred eighty-three thousand, five hundred seventy-two".