23203123012 has 12 divisors (see below), whose sum is σ = 40925194240. Its totient is φ = 11510210376.

The previous prime is 23203123003. The next prime is 23203123037. The reversal of 23203123012 is 21032130232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22837212 + ... + 22838227.

Almost surely, 2^23203123012 is an apocalyptic number.

It is an amenable number.

23203123012 is a deficient number, since it is larger than the sum of its proper divisors (17722071228).

23203123012 is a wasteful number, since it uses less digits than its factorization.

23203123012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45675570 (or 45675568 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23203123012 its reverse (21032130232), we get a palindrome (44235253244).

The spelling of 23203123012 in words is "twenty-three billion, two hundred three million, one hundred twenty-three thousand, twelve".