23512103205 has 32 divisors (see below), whose sum is σ = 38439249408. Its totient is φ = 12266764800.

The previous prime is 23512103177. The next prime is 23512103291. The reversal of 23512103205 is 50230121532.

It is a happy number.

It is not a de Polignac number, because 23512103205 - 2⁸ = 23512102949 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1600795 + ... + 1615415.

It is an arithmetic number, because the mean of its divisors is an integer number (1201226544).

Almost surely, 2^23512103205 is an apocalyptic number.

It is an amenable number.

23512103205 is a deficient number, since it is larger than the sum of its proper divisors (14927146203).

23512103205 is a wasteful number, since it uses less digits than its factorization.

23512103205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16957.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 23512103205 its reverse (50230121532), we get a palindrome (73742224737).

The spelling of 23512103205 in words is "twenty-three billion, five hundred twelve million, one hundred three thousand, two hundred five".