23440354430455 has 8 divisors (see below), whose sum is σ = 28888653028032. Its totient is φ = 18245465070048.

The previous prime is 23440354430453. The next prime is 23440354430473. The reversal of 23440354430455 is 55403445304432.

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

It is a cyclic number.

It is not a de Polignac number, because 23440354430455 - 2¹ = 23440354430453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23440354430453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63352309087 + ... + 63352309456.

It is an arithmetic number, because the mean of its divisors is an integer number (3611081628504).

Almost surely, 2^{23440354430455} is an apocalyptic number.

23440354430455 is a deficient number, since it is larger than the sum of its proper divisors (5448298597577).

23440354430455 is a wasteful number, since it uses less digits than its factorization.

23440354430455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126704618585.

The product of its (nonzero) digits is 6912000, while the sum is 46.

Adding to 23440354430455 its reverse (55403445304432), we get a palindrome (78843799734887).

The spelling of 23440354430455 in words is "twenty-three trillion, four hundred forty billion, three hundred fifty-four million, four hundred thirty thousand, four hundred fifty-five".