523053421 has 8 divisors (see below), whose sum is σ = 589010688. Its totient is φ = 460164000.

The previous prime is 523053397. The next prime is 523053439. The reversal of 523053421 is 124350325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-523053421 is a prime.

It is a super-5 number, since 5×523053421⁵ (a number of 45 digits) contains 55555 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523053481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766600 + ... + 767281.

It is an arithmetic number, because the mean of its divisors is an integer number (73626336).

Almost surely, 2^523053421 is an apocalyptic number.

It is an amenable number.

523053421 is a deficient number, since it is larger than the sum of its proper divisors (65957267).

523053421 is a wasteful number, since it uses less digits than its factorization.

523053421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533923.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 523053421 is about 22870.3611908514. The cubic root of 523053421 is about 805.7160512795.

The spelling of 523053421 in words is "five hundred twenty-three million, fifty-three thousand, four hundred twenty-one".