123166532 has 6 divisors (see below), whose sum is σ = 215541438. Its totient is φ = 61583264.

The previous prime is 123166517. The next prime is 123166543. The reversal of 123166532 is 235661321.

It can be written as a sum of positive squares in only one way, i.e., 86974276 + 36192256 = 9326^2 + 6016^2 .

It is a junction number, because it is equal to n+sod(n) for n = 123166495 and 123166504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15395813 + ... + 15395820.

It is an arithmetic number, because the mean of its divisors is an integer number (35923573).

Almost surely, 2^123166532 is an apocalyptic number.

It is an amenable number.

123166532 is a deficient number, since it is larger than the sum of its proper divisors (92374906).

123166532 is a wasteful number, since it uses less digits than its factorization.

123166532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30791637 (or 30791635 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 123166532 is about 11098.0418092563. The cubic root of 123166532 is about 497.5433252674.

The spelling of 123166532 in words is "one hundred twenty-three million, one hundred sixty-six thousand, five hundred thirty-two".