23123103212 has 24 divisors (see below), whose sum is σ = 44153376960. Its totient is φ = 10508294160.

The previous prime is 23123103209. The next prime is 23123103217. The reversal of 23123103212 is 21230132132.

It is not an unprimeable number, because it can be changed into a prime (23123103217) 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 7 ways as a sum of consecutive naturals, for example, 166739 + ... + 272117.

It is an arithmetic number, because the mean of its divisors is an integer number (1839724040).

Almost surely, 2^23123103212 is an apocalyptic number.

23123103212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23123103212 is a deficient number, since it is larger than the sum of its proper divisors (21030273748).

23123103212 is a wasteful number, since it uses less digits than its factorization.

23123103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110381 (or 110379 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23123103212 its reverse (21230132132), we get a palindrome (44353235344).

The spelling of 23123103212 in words is "twenty-three billion, one hundred twenty-three million, one hundred three thousand, two hundred twelve".