23231321202 has 64 divisors (see below), whose sum is σ = 50690375424. Its totient is φ = 7068119040.

The previous prime is 23231321137. The next prime is 23231321207. The reversal of 23231321202 is 20212313232.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23231321207) 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 31 ways as a sum of consecutive naturals, for example, 1163818 + ... + 1183610.

It is an arithmetic number, because the mean of its divisors is an integer number (792037116).

Almost surely, 2^23231321202 is an apocalyptic number.

23231321202 is an abundant number, since it is smaller than the sum of its proper divisors (27459054222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23231321202 is a wasteful number, since it uses less digits than its factorization.

23231321202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20163.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23231321202 its reverse (20212313232), we get a palindrome (43443634434).

The spelling of 23231321202 in words is "twenty-three billion, two hundred thirty-one million, three hundred twenty-one thousand, two hundred two".