23113531440305 has 8 divisors (see below), whose sum is σ = 27736271328744. Its totient is φ = 18490802752000.

The previous prime is 23113531440287. The next prime is 23113531440343. The reversal of 23113531440305 is 50304413531132.

It can be written as a sum of positive squares in 4 ways, for example, as 11315103346849 + 11798428093456 = 3363793^2 + 3434884^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23113531440305 - 2³⁰ = 23112457698481 is a prime.

It is a Duffinian 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, 2734625 + ... + 7328385.

It is an arithmetic number, because the mean of its divisors is an integer number (3467033916093).

Almost surely, 2^{23113531440305} is an apocalyptic number.

It is an amenable number.

23113531440305 is a deficient number, since it is larger than the sum of its proper divisors (4622739888439).

23113531440305 is a wasteful number, since it uses less digits than its factorization.

23113531440305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600067.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 23113531440305 its reverse (50304413531132), we get a palindrome (73417944971437).

The spelling of 23113531440305 in words is "twenty-three trillion, one hundred thirteen billion, five hundred thirty-one million, four hundred forty thousand, three hundred five".