23156398202 has 16 divisors (see below), whose sum is σ = 39788796672. Its totient is φ = 9901142160.

The previous prime is 23156398201. The next prime is 23156398211. The reversal of 23156398202 is 20289365132.

23156398202 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 23156398202.

It is not an unprimeable number, because it can be changed into a prime (23156398201) 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 in 7 ways as a sum of consecutive naturals, for example, 1912793 + ... + 1924860.

It is an arithmetic number, because the mean of its divisors is an integer number (2486799792).

Almost surely, 2^23156398202 is an apocalyptic number.

23156398202 is a deficient number, since it is larger than the sum of its proper divisors (16632398470).

23156398202 is a wasteful number, since it uses less digits than its factorization.

23156398202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838093.

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 23156398202 in words is "twenty-three billion, one hundred fifty-six million, three hundred ninety-eight thousand, two hundred two".