264432505011523 has 2 divisors, whose sum is σ = 264432505011524. Its totient is φ = 264432505011522.

The previous prime is 264432505011431. The next prime is 264432505011557. The reversal of 264432505011523 is 325110505234462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264432505011523 - 2³³ = 264423915076931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 264432505011523.

It is not a weakly prime, because it can be changed into another prime (264432535011523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132216252505761 + 132216252505762.

It is an arithmetic number, because the mean of its divisors is an integer number (132216252505762).

Almost surely, 2^{264432505011523} is an apocalyptic number.

264432505011523 is a deficient number, since it is larger than the sum of its proper divisors (1).

264432505011523 is an equidigital number, since it uses as much as digits as its factorization.

264432505011523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 264432505011523 in words is "two hundred sixty-four trillion, four hundred thirty-two billion, five hundred five million, eleven thousand, five hundred twenty-three".