51523500233 has 2 divisors, whose sum is σ = 51523500234. Its totient is φ = 51523500232.

The previous prime is 51523500187. The next prime is 51523500241. The reversal of 51523500233 is 33200532515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48950677504 + 2572822729 = 221248^2 + 50723^2 .

It is a cyclic number.

It is not a de Polignac number, because 51523500233 - 2¹⁴ = 51523483849 is a prime.

It is a super-3 number, since 3×51523500233³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51523500196 and 51523500205.

It is not a weakly prime, because it can be changed into another prime (51523500253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25761750116 + 25761750117.

It is an arithmetic number, because the mean of its divisors is an integer number (25761750117).

Almost surely, 2^51523500233 is an apocalyptic number.

It is an amenable number.

51523500233 is a deficient number, since it is larger than the sum of its proper divisors (1).

51523500233 is an equidigital number, since it uses as much as digits as its factorization.

51523500233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 29.

The spelling of 51523500233 in words is "fifty-one billion, five hundred twenty-three million, five hundred thousand, two hundred thirty-three".