523796121 has 24 divisors (see below), whose sum is σ = 765765000. Its totient is φ = 344984832.

The previous prime is 523796111. The next prime is 523796167. The reversal of 523796121 is 121697325.

523796121 is a `hidden beast` number, since 5 + 2 + 37 + 9 + 612 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 321843600 + 201952521 = 17940^2 + 14211^2 .

It is not a de Polignac number, because 523796121 - 2¹⁸ = 523533977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (523796101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498805 + ... + 499853.

It is an arithmetic number, because the mean of its divisors is an integer number (31906875).

Almost surely, 2^523796121 is an apocalyptic number.

It is an amenable number.

523796121 is a deficient number, since it is larger than the sum of its proper divisors (241968879).

523796121 is a wasteful number, since it uses less digits than its factorization.

523796121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673 (or 1670 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 523796121 is about 22886.5926035310. The cubic root of 523796121 is about 806.0972247754.

The spelling of 523796121 in words is "five hundred twenty-three million, seven hundred ninety-six thousand, one hundred twenty-one".