523905820147 has 2 divisors, whose sum is σ = 523905820148. Its totient is φ = 523905820146.

The previous prime is 523905820093. The next prime is 523905820181. The reversal of 523905820147 is 741028509325.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523905820147 is a prime.

It is a super-2 number, since 2×523905820147² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 523905820097 and 523905820106.

It is not a weakly prime, because it can be changed into another prime (523905820747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261952910073 + 261952910074.

It is an arithmetic number, because the mean of its divisors is an integer number (261952910074).

Almost surely, 2^523905820147 is an apocalyptic number.

523905820147 is a deficient number, since it is larger than the sum of its proper divisors (1).

523905820147 is an equidigital number, since it uses as much as digits as its factorization.

523905820147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 523905820147 in words is "five hundred twenty-three billion, nine hundred five million, eight hundred twenty thousand, one hundred forty-seven".