23545215324 has 24 divisors (see below), whose sum is σ = 61043151120. Its totient is φ = 7848405072.

The previous prime is 23545215313. The next prime is 23545215361. The reversal of 23545215324 is 42351254532.

23545215324 is a `hidden beast` number, since 2 + 35 + 452 + 153 + 24 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109005519 + ... + 109005734.

It is an arithmetic number, because the mean of its divisors is an integer number (2543464630).

Almost surely, 2^23545215324 is an apocalyptic number.

It is an amenable number.

23545215324 is an abundant number, since it is smaller than the sum of its proper divisors (37497935796).

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

23545215324 is a wasteful number, since it uses less digits than its factorization.

23545215324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218011266 (or 218011258 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

Adding to 23545215324 its reverse (42351254532), we get a palindrome (65896469856).

The spelling of 23545215324 in words is "twenty-three billion, five hundred forty-five million, two hundred fifteen thousand, three hundred twenty-four".