32245315623 has 24 divisors (see below), whose sum is σ = 48907699440. Its totient is φ = 20996917200.

The previous prime is 32245315603. The next prime is 32245315637. The reversal of 32245315623 is 32651354223.

32245315623 is a `hidden beast` number, since 3 + 2 + 24 + 5 + 3 + 1 + 5 + 623 = 666.

It is not a de Polignac number, because 32245315623 - 2²¹ = 32243218471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32245315603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273028 + ... + 372873.

It is an arithmetic number, because the mean of its divisors is an integer number (2037820810).

Almost surely, 2^32245315623 is an apocalyptic number.

32245315623 is a deficient number, since it is larger than the sum of its proper divisors (16662383817).

32245315623 is an equidigital number, since it uses as much as digits as its factorization.

32245315623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645996 (or 645947 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

Adding to 32245315623 its reverse (32651354223), we get a palindrome (64896669846).

The spelling of 32245315623 in words is "thirty-two billion, two hundred forty-five million, three hundred fifteen thousand, six hundred twenty-three".