123243164 has 12 divisors (see below), whose sum is σ = 235282488. Its totient is φ = 56019600.

The previous prime is 123243151. The next prime is 123243173. The reversal of 123243164 is 461342321.

It is a congruent number.

It is an unprimeable number.

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, 1400447 + ... + 1400534.

It is an arithmetic number, because the mean of its divisors is an integer number (19606874).

Almost surely, 2^123243164 is an apocalyptic number.

It is an amenable number.

123243164 is a deficient number, since it is larger than the sum of its proper divisors (112039324).

123243164 is a wasteful number, since it uses less digits than its factorization.

123243164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800996 (or 2800994 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 123243164 is about 11101.4937733622. The cubic root of 123243164 is about 497.6464913758.

Adding to 123243164 its reverse (461342321), we get a palindrome (584585485).

The spelling of 123243164 in words is "one hundred twenty-three million, two hundred forty-three thousand, one hundred sixty-four".