23440442321013 has 32 divisors (see below), whose sum is σ = 32660148084480. Its totient is φ = 14925832204800.

The previous prime is 23440442320991. The next prime is 23440442321029. The reversal of 23440442321013 is 31012324404432.

It is not a de Polignac number, because 23440442321013 - 2¹⁰ = 23440442319989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440442321063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217775953 + ... + 217883561.

It is an arithmetic number, because the mean of its divisors is an integer number (1020629627640).

Almost surely, 2^{23440442321013} is an apocalyptic number.

23440442321013 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

23440442321013 is a deficient number, since it is larger than the sum of its proper divisors (9219705763467).

23440442321013 is a wasteful number, since it uses less digits than its factorization.

23440442321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112189.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 23440442321013 its reverse (31012324404432), we get a palindrome (54452766725445).

The spelling of 23440442321013 in words is "twenty-three trillion, four hundred forty billion, four hundred forty-two million, three hundred twenty-one thousand, thirteen".