8253123420 has 48 divisors (see below), whose sum is σ = 23114931840. Its totient is φ = 2200243776.

The previous prime is 8253123401. The next prime is 8253123451. The reversal of 8253123420 is 243213528.

It is a super-2 number, since 2×8253123420² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236839 + ... + 269441.

It is an arithmetic number, because the mean of its divisors is an integer number (481561080).

Almost surely, 2^8253123420 is an apocalyptic number.

It is an amenable number.

8253123420 is an abundant number, since it is smaller than the sum of its proper divisors (14861808420).

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

8253123420 is a wasteful number, since it uses less digits than its factorization.

8253123420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36834 (or 36832 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 8253123420 is about 90846.7028570658. The cubic root of 8253123420 is about 2020.8749779333.

Adding to 8253123420 its reverse (243213528), we get a palindrome (8496336948).

The spelling of 8253123420 in words is "eight billion, two hundred fifty-three million, one hundred twenty-three thousand, four hundred twenty".