123830516 has 12 divisors (see below), whose sum is σ = 229450788. Its totient is φ = 58273152.

The previous prime is 123830507. The next prime is 123830519. The reversal of 123830516 is 615038321.

It can be written as a sum of positive squares in 2 ways, for example, as 80928016 + 42902500 = 8996^2 + 6550^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123830519) 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, 910451 + ... + 910586.

It is an arithmetic number, because the mean of its divisors is an integer number (19120899).

Almost surely, 2^123830516 is an apocalyptic number.

It is an amenable number.

123830516 is a deficient number, since it is larger than the sum of its proper divisors (105620272).

123830516 is a wasteful number, since it uses less digits than its factorization.

123830516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821058 (or 1821056 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 123830516 is about 11127.9160672608. The cubic root of 123830516 is about 498.4357996575.

Adding to 123830516 its reverse (615038321), we get a palindrome (738868837).

It can be divided in two parts, 1238305 and 16, that added together give a palindrome (1238321).

The spelling of 123830516 in words is "one hundred twenty-three million, eight hundred thirty thousand, five hundred sixteen".