23203111031012 has 48 divisors (see below), whose sum is σ = 44796168849600. Its totient is φ = 10427991298560.

The previous prime is 23203111030963. The next prime is 23203111031099. The reversal of 23203111031012 is 21013011130232.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 129581039 + ... + 129759977.

It is an arithmetic number, because the mean of its divisors is an integer number (933253517700).

Almost surely, 2^{23203111031012} is an apocalyptic number.

23203111031012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23203111031012 is a deficient number, since it is larger than the sum of its proper divisors (21593057818588).

23203111031012 is a wasteful number, since it uses less digits than its factorization.

23203111031012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212156 (or 212154 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 23203111031012 its reverse (21013011130232), we get a palindrome (44216122161244).

The spelling of 23203111031012 in words is "twenty-three trillion, two hundred three billion, one hundred eleven million, thirty-one thousand, twelve".