523220055501351 has 32 divisors (see below), whose sum is σ = 753211995235840. Its totient is φ = 321158983169664.

The previous prime is 523220055501313. The next prime is 523220055501431. The reversal of 523220055501351 is 153105550022325.

It is not a de Polignac number, because 523220055501351 - 2²³ = 523220047112743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523220055501301) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15467385 + ... + 35856381.

It is an arithmetic number, because the mean of its divisors is an integer number (23537874851120).

Almost surely, 2^{523220055501351} is an apocalyptic number.

523220055501351 is a deficient number, since it is larger than the sum of its proper divisors (229991939734489).

523220055501351 is a wasteful number, since it uses less digits than its factorization.

523220055501351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20390695.

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 523220055501351 in words is "five hundred twenty-three trillion, two hundred twenty billion, fifty-five million, five hundred one thousand, three hundred fifty-one".