2154534023 has 8 divisors (see below), whose sum is σ = 2161005696. Its totient is φ = 2148071800.

The previous prime is 2154534001. The next prime is 2154534029. The reversal of 2154534023 is 3204354512.

It is a happy number.

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 2154534023 - 2⁶ = 2154533959 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 (2154534029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887990 + ... + 890412.

It is an arithmetic number, because the mean of its divisors is an integer number (270125712).

Almost surely, 2^2154534023 is an apocalyptic number.

2154534023 is a deficient number, since it is larger than the sum of its proper divisors (6471673).

2154534023 is a wasteful number, since it uses less digits than its factorization.

2154534023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2154534023 is about 46416.9583557561. The cubic root of 2154534023 is about 1291.5695142265.

Adding to 2154534023 its reverse (3204354512), we get a palindrome (5358888535).

The spelling of 2154534023 in words is "two billion, one hundred fifty-four million, five hundred thirty-four thousand, twenty-three".