123543152 has 20 divisors (see below), whose sum is σ = 239594040. Its totient is φ = 61712448.

The previous prime is 123543139. The next prime is 123543169. The reversal of 123543152 is 251345321.

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, 17078 + ... + 23210.

It is an arithmetic number, because the mean of its divisors is an integer number (11979702).

Almost surely, 2^123543152 is an apocalyptic number.

It is an amenable number.

123543152 is a deficient number, since it is larger than the sum of its proper divisors (116050888).

123543152 is a wasteful number, since it uses less digits than its factorization.

123543152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400 (or 7394 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 123543152 is about 11114.9967161489. The cubic root of 123543152 is about 498.0499404227.

Adding to 123543152 its reverse (251345321), we get a palindrome (374888473).

The spelling of 123543152 in words is "one hundred twenty-three million, five hundred forty-three thousand, one hundred fifty-two".