123342315530 has 32 divisors (see below), whose sum is σ = 253904302080. Its totient is φ = 42260204160.

The previous prime is 123342315529. The next prime is 123342315571. The reversal of 123342315530 is 35513243321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491210 + ... + 698549.

It is an arithmetic number, because the mean of its divisors is an integer number (7934509440).

Almost surely, 2^123342315530 is an apocalyptic number.

123342315530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123342315530 is an abundant number, since it is smaller than the sum of its proper divisors (130561986550).

123342315530 is a wasteful number, since it uses less digits than its factorization.

123342315530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191254.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 123342315530 its reverse (35513243321), we get a palindrome (158855558851).

The spelling of 123342315530 in words is "one hundred twenty-three billion, three hundred forty-two million, three hundred fifteen thousand, five hundred thirty".