23405553212 has 6 divisors (see below), whose sum is σ = 40959718128. Its totient is φ = 11702776604.

The previous prime is 23405553187. The next prime is 23405553217. The reversal of 23405553212 is 21235550432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23405553217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2925694148 + ... + 2925694155.

It is an arithmetic number, because the mean of its divisors is an integer number (6826619688).

Almost surely, 2^23405553212 is an apocalyptic number.

It is an amenable number.

23405553212 is a deficient number, since it is larger than the sum of its proper divisors (17554164916).

23405553212 is a wasteful number, since it uses less digits than its factorization.

23405553212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5851388307 (or 5851388305 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 23405553212 in words is "twenty-three billion, four hundred five million, five hundred fifty-three thousand, two hundred twelve".