23515446002 has 32 divisors (see below), whose sum is σ = 36012038400. Its totient is φ = 11513766528.

The previous prime is 23515446001. The next prime is 23515446011. The reversal of 23515446002 is 20064451532.

It is a self number, because there is not a number n which added to its sum of digits gives 23515446002.

It is not an unprimeable number, because it can be changed into a prime (23515446001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21318983 + ... + 21320085.

It is an arithmetic number, because the mean of its divisors is an integer number (1125376200).

Almost surely, 2^23515446002 is an apocalyptic number.

23515446002 is a deficient number, since it is larger than the sum of its proper divisors (12496592398).

23515446002 is a wasteful number, since it uses less digits than its factorization.

23515446002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 23515446002 its reverse (20064451532), we get a palindrome (43579897534).

The spelling of 23515446002 in words is "twenty-three billion, five hundred fifteen million, four hundred forty-six thousand, two".