2153443023 has 32 divisors (see below), whose sum is σ = 3385609920. Its totient is φ = 1348116480.

The previous prime is 2153443013. The next prime is 2153443081. The reversal of 2153443023 is 3203443512.

2153443023 is a `hidden beast` number, since 2 + 15 + 344 + 302 + 3 = 666.

It is not a de Polignac number, because 2153443023 - 2⁴ = 2153443007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153443003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206511 + ... + 216687.

It is an arithmetic number, because the mean of its divisors is an integer number (105800310).

Almost surely, 2^2153443023 is an apocalyptic number.

2153443023 is a deficient number, since it is larger than the sum of its proper divisors (1232166897).

2153443023 is a wasteful number, since it uses less digits than its factorization.

2153443023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10664 (or 10658 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2153443023 is about 46405.2046973182. The cubic root of 2153443023 is about 1291.3514716805.

Adding to 2153443023 its reverse (3203443512), we get a palindrome (5356886535).

The spelling of 2153443023 in words is "two billion, one hundred fifty-three million, four hundred forty-three thousand, twenty-three".