123200130311 has 4 divisors (see below), whose sum is σ = 123366843000. Its totient is φ = 123033417624.

The previous prime is 123200130293. The next prime is 123200130329. The reversal of 123200130311 is 113031002321.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (123200130293) and next prime (123200130329).

It is a cyclic number.

It is not a de Polignac number, because 123200130311 - 2⁶ = 123200130247 is a prime.

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 123200130311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123200160311) 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, 83355236 + ... + 83356713.

It is an arithmetic number, because the mean of its divisors is an integer number (30841710750).

Almost surely, 2^123200130311 is an apocalyptic number.

123200130311 is a deficient number, since it is larger than the sum of its proper divisors (166712689).

123200130311 is an equidigital number, since it uses as much as digits as its factorization.

123200130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166712688.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 123200130311 its reverse (113031002321), we get a palindrome (236231132632).

The spelling of 123200130311 in words is "one hundred twenty-three billion, two hundred million, one hundred thirty thousand, three hundred eleven".