4489240231923 has 32 divisors (see below), whose sum is σ = 6527692987200. Its totient is φ = 2732795781120.

The previous prime is 4489240231921. The next prime is 4489240231937. The reversal of 4489240231923 is 3291320429844.

It is not a de Polignac number, because 4489240231923 - 2¹ = 4489240231921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (4489240231921) 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, 2749798 + ... + 4066923.

It is an arithmetic number, because the mean of its divisors is an integer number (203990405850).

Almost surely, 2^{4489240231923} is an apocalyptic number.

4489240231923 is a deficient number, since it is larger than the sum of its proper divisors (2038452755277).

4489240231923 is a wasteful number, since it uses less digits than its factorization.

4489240231923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6817127.

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 4489240231923 in words is "four trillion, four hundred eighty-nine billion, two hundred forty million, two hundred thirty-one thousand, nine hundred twenty-three".