2423044455021 has 64 divisors (see below), whose sum is σ = 3730162867200. Its totient is φ = 1553448601152.

The previous prime is 2423044454969. The next prime is 2423044455023. The reversal of 2423044455021 is 1205544403242.

2423044455021 is a `hidden beast` number, since 2 + 42 + 3 + 0 + 4 + 44 + 550 + 21 = 666.

It is not a de Polignac number, because 2423044455021 - 2³⁵ = 2388684716653 is a prime.

It is a super-2 number, since 2×2423044455021² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2423044455023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28191450 + ... + 28277268.

It is an arithmetic number, because the mean of its divisors is an integer number (58283794800).

Almost surely, 2^{2423044455021} is an apocalyptic number.

It is an amenable number.

2423044455021 is a deficient number, since it is larger than the sum of its proper divisors (1307118412179).

2423044455021 is a wasteful number, since it uses less digits than its factorization.

2423044455021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86247 (or 86241 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 2423044455021 its reverse (1205544403242), we get a palindrome (3628588858263).

The spelling of 2423044455021 in words is "two trillion, four hundred twenty-three billion, forty-four million, four hundred fifty-five thousand, twenty-one".