23440052324451 has 32 divisors (see below), whose sum is σ = 35747594062848. Its totient is φ = 13383287648640.

The previous prime is 23440052324443. The next prime is 23440052324467. The reversal of 23440052324451 is 15442325004432.

It is not a de Polignac number, because 23440052324451 - 2³ = 23440052324443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23440052324251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138308401 + ... + 138477773.

It is an arithmetic number, because the mean of its divisors is an integer number (1117112314464).

Almost surely, 2^{23440052324451} is an apocalyptic number.

23440052324451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23440052324451 is a deficient number, since it is larger than the sum of its proper divisors (12307541738397).

23440052324451 is a wasteful number, since it uses less digits than its factorization.

23440052324451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174771.

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 23440052324451 its reverse (15442325004432), we get a palindrome (38882377328883).

The spelling of 23440052324451 in words is "twenty-three trillion, four hundred forty billion, fifty-two million, three hundred twenty-four thousand, four hundred fifty-one".