123031200333011 has 4 divisors (see below), whose sum is σ = 123036981080712. Its totient is φ = 123025419585312.

The previous prime is 123031200332987. The next prime is 123031200333031. The reversal of 123031200333011 is 110333002130321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-123031200333011 is a prime.

It is a super-2 number, since 2×123031200333011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123031200333031) 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, 2890341926 + ... + 2890384491.

It is an arithmetic number, because the mean of its divisors is an integer number (30759245270178).

Almost surely, 2^{123031200333011} is an apocalyptic number.

123031200333011 is a deficient number, since it is larger than the sum of its proper divisors (5780747701).

123031200333011 is an equidigital number, since it uses as much as digits as its factorization.

123031200333011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5780747700.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 123031200333011 its reverse (110333002130321), we get a palindrome (233364202463332).

The spelling of 123031200333011 in words is "one hundred twenty-three trillion, thirty-one billion, two hundred million, three hundred thirty-three thousand, eleven".