523010121 has 16 divisors (see below), whose sum is σ = 703335360. Its totient is φ = 345692160.

The previous prime is 523010101. The next prime is 523010149. The reversal of 523010121 is 121010325.

It is not a de Polignac number, because 523010121 - 2⁶ = 523010057 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 523010121.

It is not an unprimeable number, because it can be changed into a prime (523010101) 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, 190285 + ... + 193013.

It is an arithmetic number, because the mean of its divisors is an integer number (43958460).

Almost surely, 2^523010121 is an apocalyptic number.

It is an amenable number.

523010121 is a deficient number, since it is larger than the sum of its proper divisors (180325239).

523010121 is a wasteful number, since it uses less digits than its factorization.

523010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 523010121 is about 22869.4145312030. The cubic root of 523010121 is about 805.6938174335.

Adding to 523010121 its reverse (121010325), we get a palindrome (644020446).

It can be divided in two parts, 5230 and 10121, that added together give a palindrome (15351).

The spelling of 523010121 in words is "five hundred twenty-three million, ten thousand, one hundred twenty-one".