123030142302005 has 8 divisors (see below), whose sum is σ = 148451840215224. Its totient is φ = 97880334206400.

The previous prime is 123030142301999. The next prime is 123030142302013. The reversal of 123030142302005 is 500203241030321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9742026773284 + 113288115528721 = 3121222^2 + 10643689^2 .

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

It is not a de Polignac number, because 123030142302005 - 2¹⁴ = 123030142285621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67972453406 + ... + 67972455215.

It is an arithmetic number, because the mean of its divisors is an integer number (18556480026903).

Almost surely, 2^{123030142302005} is an apocalyptic number.

It is an amenable number.

123030142302005 is a deficient number, since it is larger than the sum of its proper divisors (25421697913219).

123030142302005 is a wasteful number, since it uses less digits than its factorization.

123030142302005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135944908807.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 123030142302005 its reverse (500203241030321), we get a palindrome (623233383332326).

The spelling of 123030142302005 in words is "one hundred twenty-three trillion, thirty billion, one hundred forty-two million, three hundred two thousand, five".