523022172153 has 16 divisors (see below), whose sum is σ = 752842419840. Its totient is φ = 321072845184.

The previous prime is 523022172149. The next prime is 523022172173. The reversal of 523022172153 is 351271220325.

It is not a de Polignac number, because 523022172153 - 2² = 523022172149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (523022172103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16378701 + ... + 16410602.

It is an arithmetic number, because the mean of its divisors is an integer number (47052651240).

Almost surely, 2^523022172153 is an apocalyptic number.

It is an amenable number.

523022172153 is a deficient number, since it is larger than the sum of its proper divisors (229820247687).

523022172153 is a wasteful number, since it uses less digits than its factorization.

523022172153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32789728.

The product of its (nonzero) digits is 25200, while the sum is 33.

Adding to 523022172153 its reverse (351271220325), we get a palindrome (874293392478).

The spelling of 523022172153 in words is "five hundred twenty-three billion, twenty-two million, one hundred seventy-two thousand, one hundred fifty-three".