523535405513122 has 4 divisors (see below), whose sum is σ = 785303108269686. Its totient is φ = 261767702756560.

The previous prime is 523535405513023. The next prime is 523535405513123. The reversal of 523535405513122 is 221315504535325.

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

It can be written as a sum of positive squares in only one way, i.e., 433396160512561 + 90139245000561 = 20818169^2 + 9494169^2 .

It is a super-2 number, since 2×523535405513122² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (523535405513123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130883851378279 + ... + 130883851378282.

Almost surely, 2^{523535405513122} is an apocalyptic number.

523535405513122 is a deficient number, since it is larger than the sum of its proper divisors (261767702756564).

523535405513122 is a wasteful number, since it uses less digits than its factorization.

523535405513122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261767702756563.

The product of its (nonzero) digits is 2700000, while the sum is 46.

The spelling of 523535405513122 in words is "five hundred twenty-three trillion, five hundred thirty-five billion, four hundred five million, five hundred thirteen thousand, one hundred twenty-two".