83453120 has 28 divisors (see below), whose sum is σ = 198723504. Its totient is φ = 33381120.

The previous prime is 83453107. The next prime is 83453129. The reversal of 83453120 is 2135438.

It is a self number, because there is not a number n which added to its sum of digits gives 83453120.

It is not an unprimeable number, because it can be changed into a prime (83453129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130076 + ... + 130715.

It is an arithmetic number, because the mean of its divisors is an integer number (7097268).

Almost surely, 2^83453120 is an apocalyptic number.

83453120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83453120 is an abundant number, since it is smaller than the sum of its proper divisors (115270384).

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

83453120 is a wasteful number, since it uses less digits than its factorization.

83453120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260808 (or 260798 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 83453120 is about 9135.2679216321. The cubic root of 83453120 is about 436.9994187531. Note that the first 3 decimals are identical.

Adding to 83453120 its reverse (2135438), we get a palindrome (85588558).

The spelling of 83453120 in words is "eighty-three million, four hundred fifty-three thousand, one hundred twenty".