523623170725355 has 16 divisors (see below), whose sum is σ = 639022260672000. Its totient is φ = 411782777002080.

The previous prime is 523623170725211. The next prime is 523623170725393. The reversal of 523623170725355 is 553527071326325.

It is a de Polignac number, because none of the positive numbers 2^k-523623170725355 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 523623170725355.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26305811 + ... + 41704220.

It is an arithmetic number, because the mean of its divisors is an integer number (39938891292000).

Almost surely, 2^{523623170725355} is an apocalyptic number.

523623170725355 is a deficient number, since it is larger than the sum of its proper divisors (115399089946645).

523623170725355 is a wasteful number, since it uses less digits than its factorization.

523623170725355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68036194.

The product of its (nonzero) digits is 39690000, while the sum is 56.

The spelling of 523623170725355 in words is "five hundred twenty-three trillion, six hundred twenty-three billion, one hundred seventy million, seven hundred twenty-five thousand, three hundred fifty-five".