123030200001 has 4 divisors (see below), whose sum is σ = 164040266672. Its totient is φ = 82020133332.

The previous prime is 123030199997. The next prime is 123030200101. The reversal of 123030200001 is 100002030321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 123030200001 - 2² = 123030199997 is a prime.

It is a super-2 number, since 2×123030200001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123030200001.

It is not an unprimeable number, because it can be changed into a prime (123030200101) 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, 20505033331 + ... + 20505033336.

It is an arithmetic number, because the mean of its divisors is an integer number (41010066668).

Almost surely, 2^123030200001 is an apocalyptic number.

It is an amenable number.

123030200001 is a deficient number, since it is larger than the sum of its proper divisors (41010066671).

123030200001 is an equidigital number, since it uses as much as digits as its factorization.

123030200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41010066670.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 123030200001 its reverse (100002030321), we get a palindrome (223032230322).

The spelling of 123030200001 in words is "one hundred twenty-three billion, thirty million, two hundred thousand, one".