23230404143444 has 24 divisors (see below), whose sum is σ = 40864728166248. Its totient is φ = 11554770124800.

The previous prime is 23230404143423. The next prime is 23230404143461. The reversal of 23230404143444 is 44434140403232.

It can be written as a sum of positive squares in 4 ways, for example, as 16574571731344 + 6655832412100 = 4071188^2 + 2579890^2 .

It is a super-2 number, since 2×23230404143444² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23230404143398 and 23230404143407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38436794 + ... + 39036494.

It is an arithmetic number, because the mean of its divisors is an integer number (1702697006927).

Almost surely, 2^{23230404143444} is an apocalyptic number.

It is an amenable number.

23230404143444 is a deficient number, since it is larger than the sum of its proper divisors (17634324022804).

23230404143444 is a wasteful number, since it uses less digits than its factorization.

23230404143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650075 (or 650073 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 38.

Adding to 23230404143444 its reverse (44434140403232), we get a palindrome (67664544546676).

The spelling of 23230404143444 in words is "twenty-three trillion, two hundred thirty billion, four hundred four million, one hundred forty-three thousand, four hundred forty-four".