1523340216 has 128 divisors (see below), whose sum is σ = 4544294400. Its totient is φ = 471098880.

The previous prime is 1523340197. The next prime is 1523340223. The reversal of 1523340216 is 6120433251.

1523340216 is a `hidden beast` number, since 15 + 233 + 402 + 16 = 666.

1523340216 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1523340216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257791 + ... + 263633.

It is an arithmetic number, because the mean of its divisors is an integer number (35502300).

Almost surely, 2^1523340216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1523340216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2272147200).

1523340216 is an abundant number, since it is smaller than the sum of its proper divisors (3020954184).

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

1523340216 is a wasteful number, since it uses less digits than its factorization.

1523340216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5946 (or 5936 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1523340216 is about 39029.9912375086. The cubic root of 1523340216 is about 1150.6210170702.

Adding to 1523340216 its reverse (6120433251), we get a palindrome (7643773467).

The spelling of 1523340216 in words is "one billion, five hundred twenty-three million, three hundred forty thousand, two hundred sixteen".