23440005540245 has 24 divisors (see below), whose sum is σ = 32734604710584. Its totient is φ = 16066136612736.

The previous prime is 23440005540229. The next prime is 23440005540311. The reversal of 23440005540245 is 54204550004432.

It can be written as a sum of positive squares in 4 ways, for example, as 7357162583281 + 16082842956964 = 2712409^2 + 4010342^2 .

It is not a de Polignac number, because 23440005540245 - 2⁴ = 23440005540229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23440005540199 and 23440005540208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20300294 + ... + 21423863.

It is an arithmetic number, because the mean of its divisors is an integer number (1363941862941).

Almost surely, 2^{23440005540245} is an apocalyptic number.

It is an amenable number.

23440005540245 is a deficient number, since it is larger than the sum of its proper divisors (9294599170339).

23440005540245 is a wasteful number, since it uses less digits than its factorization.

23440005540245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41726469 (or 41726462 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 38.

Adding to 23440005540245 its reverse (54204550004432), we get a palindrome (77644555544677).

The spelling of 23440005540245 in words is "twenty-three trillion, four hundred forty billion, five million, five hundred forty thousand, two hundred forty-five".