283523420 has 24 divisors (see below), whose sum is σ = 596112048. Its totient is φ = 113273600.

The previous prime is 283523417. The next prime is 283523423. The reversal of 283523420 is 24325382.

It is an interprime number because it is at equal distance from previous prime (283523417) and next prime (283523423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (283523423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9575 + ... + 25665.

It is an arithmetic number, because the mean of its divisors is an integer number (24838002).

Almost surely, 2^283523420 is an apocalyptic number.

283523420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

283523420 is an abundant number, since it is smaller than the sum of its proper divisors (312588628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

283523420 is a wasteful number, since it uses less digits than its factorization.

283523420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16981 (or 16979 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 283523420 is about 16838.1536992629. The cubic root of 283523420 is about 656.9459601391.

The spelling of 283523420 in words is "two hundred eighty-three million, five hundred twenty-three thousand, four hundred twenty".