2215303523 has 4 divisors (see below), whose sum is σ = 2216407128. Its totient is φ = 2214199920.

The previous prime is 2215303483. The next prime is 2215303529. The reversal of 2215303523 is 3253035122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3253035122 = 2 ⋅1626517561.

It is a cyclic number.

It is not a de Polignac number, because 2215303523 - 2⁶ = 2215303459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2215303492 and 2215303501.

It is not an unprimeable number, because it can be changed into a prime (2215303529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548786 + ... + 552807.

It is an arithmetic number, because the mean of its divisors is an integer number (554101782).

Almost surely, 2^2215303523 is an apocalyptic number.

2215303523 is a deficient number, since it is larger than the sum of its proper divisors (1103605).

2215303523 is a wasteful number, since it uses less digits than its factorization.

2215303523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103604.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 2215303523 is about 47067.0109843402. The cubic root of 2215303523 is about 1303.6001828800.

Adding to 2215303523 its reverse (3253035122), we get a palindrome (5468338645).

The spelling of 2215303523 in words is "two billion, two hundred fifteen million, three hundred three thousand, five hundred twenty-three".