23420344015055 has 16 divisors (see below), whose sum is σ = 30266585971104. Its totient is φ = 17294854561920.

The previous prime is 23420344015009. The next prime is 23420344015093. The reversal of 23420344015055 is 55051044302432.

It is a de Polignac number, because none of the positive numbers 2^k-23420344015055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5165357 + ... + 8574473.

It is an arithmetic number, because the mean of its divisors is an integer number (1891661623194).

Almost surely, 2^{23420344015055} is an apocalyptic number.

23420344015055 is a deficient number, since it is larger than the sum of its proper divisors (6846241956049).

23420344015055 is a wasteful number, since it uses less digits than its factorization.

23420344015055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514826.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 23420344015055 its reverse (55051044302432), we get a palindrome (78471388317487).

The spelling of 23420344015055 in words is "twenty-three trillion, four hundred twenty billion, three hundred forty-four million, fifteen thousand, fifty-five".