123545530310512 has 10 divisors (see below), whose sum is σ = 239369464976648. Its totient is φ = 61772765155248.

The previous prime is 123545530310491. The next prime is 123545530310549. The reversal of 123545530310512 is 215013035545321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3860797822188 + ... + 3860797822219.

Almost surely, 2^{123545530310512} is an apocalyptic number.

It is an amenable number.

123545530310512 is a deficient number, since it is larger than the sum of its proper divisors (115823934666136).

123545530310512 is an equidigital number, since it uses as much as digits as its factorization.

123545530310512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7721595644415 (or 7721595644409 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

Adding to 123545530310512 its reverse (215013035545321), we get a palindrome (338558565855833).

The spelling of 123545530310512 in words is "one hundred twenty-three trillion, five hundred forty-five billion, five hundred thirty million, three hundred ten thousand, five hundred twelve".