23144353211222 has 16 divisors (see below), whose sum is σ = 35526280458240. Its totient is φ = 11302295929512.

The previous prime is 23144353211219. The next prime is 23144353211227. The reversal of 23144353211222 is 22211235344132.

It is a super-2 number, since 2×23144353211222² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23144353211227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7764038 + ... + 10323225.

It is an arithmetic number, because the mean of its divisors is an integer number (2220392528640).

Almost surely, 2^{23144353211222} is an apocalyptic number.

23144353211222 is a deficient number, since it is larger than the sum of its proper divisors (12381927247018).

23144353211222 is a wasteful number, since it uses less digits than its factorization.

23144353211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18102187.

The product of its digits is 69120, while the sum is 35.

Adding to 23144353211222 its reverse (22211235344132), we get a palindrome (45355588555354).

The spelling of 23144353211222 in words is "twenty-three trillion, one hundred forty-four billion, three hundred fifty-three million, two hundred eleven thousand, two hundred twenty-two".