52340220011523 has 4 divisors (see below), whose sum is σ = 69786960015368. Its totient is φ = 34893480007680.

The previous prime is 52340220011479. The next prime is 52340220011533. The reversal of 52340220011523 is 32511002204325.

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

It is not a de Polignac number, because 52340220011523 - 2⁶ = 52340220011459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52340220011533) 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, 8723370001918 + ... + 8723370001923.

It is an arithmetic number, because the mean of its divisors is an integer number (17446740003842).

Almost surely, 2^{52340220011523} is an apocalyptic number.

52340220011523 is a deficient number, since it is larger than the sum of its proper divisors (17446740003845).

52340220011523 is a wasteful number, since it uses less digits than its factorization.

52340220011523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17446740003844.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 52340220011523 its reverse (32511002204325), we get a palindrome (84851222215848).

The spelling of 52340220011523 in words is "fifty-two trillion, three hundred forty billion, two hundred twenty million, eleven thousand, five hundred twenty-three".