123015032 has 16 divisors (see below), whose sum is σ = 263603760. Its totient is φ = 52720704.

The previous prime is 123015031. The next prime is 123015083. The reversal of 123015032 is 230510321.

It is a super-2 number, since 2×123015032² = 30265396195922048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123015032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123015031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098293 + ... + 1098404.

It is an arithmetic number, because the mean of its divisors is an integer number (16475235).

Almost surely, 2^123015032 is an apocalyptic number.

It is an amenable number.

123015032 is an abundant number, since it is smaller than the sum of its proper divisors (140588728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123015032 is a wasteful number, since it uses less digits than its factorization.

123015032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196710 (or 2196706 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 123015032 is about 11091.2141806026. The cubic root of 123015032 is about 497.3392418484.

Adding to 123015032 its reverse (230510321), we get a palindrome (353525353).

The spelling of 123015032 in words is "one hundred twenty-three million, fifteen thousand, thirty-two".