123727532 has 6 divisors (see below), whose sum is σ = 216523188. Its totient is φ = 61863764.

The previous prime is 123727531. The next prime is 123727537. The reversal of 123727532 is 235727321.

It is a super-2 number, since 2×123727532² = 30617004349622048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (123727531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15465938 + ... + 15465945.

It is an arithmetic number, because the mean of its divisors is an integer number (36087198).

Almost surely, 2^123727532 is an apocalyptic number.

It is an amenable number.

123727532 is a deficient number, since it is larger than the sum of its proper divisors (92795656).

123727532 is a wasteful number, since it uses less digits than its factorization.

123727532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30931887 (or 30931885 counting only the distinct ones).

The product of its digits is 17640, while the sum is 32.

The square root of 123727532 is about 11123.2878233012. The cubic root of 123727532 is about 498.2975861528.

The spelling of 123727532 in words is "one hundred twenty-three million, seven hundred twenty-seven thousand, five hundred thirty-two".