23223123212 has 6 divisors (see below), whose sum is σ = 40640465628. Its totient is φ = 11611561604.

The previous prime is 23223123211. The next prime is 23223123227. The reversal of 23223123212 is 21232132232.

It is not an unprimeable number, because it can be changed into a prime (23223123211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2902890398 + ... + 2902890405.

It is an arithmetic number, because the mean of its divisors is an integer number (6773410938).

Almost surely, 2^23223123212 is an apocalyptic number.

It is an amenable number.

23223123212 is a deficient number, since it is larger than the sum of its proper divisors (17417342416).

23223123212 is a wasteful number, since it uses less digits than its factorization.

23223123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805780807 (or 5805780805 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

Adding to 23223123212 its reverse (21232132232), we get a palindrome (44455255444).

The spelling of 23223123212 in words is "twenty-three billion, two hundred twenty-three million, one hundred twenty-three thousand, two hundred twelve".