123885824 has 18 divisors (see below), whose sum is σ = 247288230. Its totient is φ = 61942784.

The previous prime is 123885823. The next prime is 123885829. The reversal of 123885824 is 428588321.

It can be written as a sum of positive squares in only one way, i.e., 117332224 + 6553600 = 10832^2 + 2560^2 .

It is not an unprimeable number, because it can be changed into a prime (123885821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241709 + ... + 242220.

It is an arithmetic number, because the mean of its divisors is an integer number (13738235).

Almost surely, 2^123885824 is an apocalyptic number.

It is an amenable number.

123885824 is a deficient number, since it is larger than the sum of its proper divisors (123402406).

123885824 is an frugal number, since it uses more digits than its factorization.

123885824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483945 (or 483931 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 123885824 is about 11130.4008912527. The cubic root of 123885824 is about 498.5099961879.

The spelling of 123885824 in words is "one hundred twenty-three million, eight hundred eighty-five thousand, eight hundred twenty-four".