51323023204011 has 12 divisors (see below), whose sum is σ = 79835813873088. Its totient is φ = 31583398894704.

The previous prime is 51323023203979. The next prime is 51323023204021. The reversal of 51323023204011 is 11040232032315.

51323023204011 is a `hidden beast` number, since 5 + 1 + 3 + 23 + 0 + 232 + 0 + 401 + 1 = 666.

It is not a de Polignac number, because 51323023204011 - 2⁵ = 51323023203979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51323023204021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219329158875 + ... + 219329159108.

It is an arithmetic number, because the mean of its divisors is an integer number (6652984489424).

Almost surely, 2^{51323023204011} is an apocalyptic number.

51323023204011 is a deficient number, since it is larger than the sum of its proper divisors (28512790669077).

51323023204011 is a wasteful number, since it uses less digits than its factorization.

51323023204011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438658318002 (or 438658317999 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 51323023204011 its reverse (11040232032315), we get a palindrome (62363255236326).

The spelling of 51323023204011 in words is "fifty-one trillion, three hundred twenty-three billion, twenty-three million, two hundred four thousand, eleven".