123030142345502 has 8 divisors (see below), whose sum is σ = 210908815449456. Its totient is φ = 52727203862352.

The previous prime is 123030142345499. The next prime is 123030142345571. The reversal of 123030142345502 is 205543241030321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×123030142345502³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4393933655183 + ... + 4393933655210.

It is an arithmetic number, because the mean of its divisors is an integer number (26363601931182).

Almost surely, 2^{123030142345502} is an apocalyptic number.

123030142345502 is a deficient number, since it is larger than the sum of its proper divisors (87878673103954).

123030142345502 is an equidigital number, since it uses as much as digits as its factorization.

123030142345502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8787867310402.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 123030142345502 its reverse (205543241030321), we get a palindrome (328573383375823).

The spelling of 123030142345502 in words is "one hundred twenty-three trillion, thirty billion, one hundred forty-two million, three hundred forty-five thousand, five hundred two".