2153023213 has 4 divisors (see below), whose sum is σ = 2348752608. Its totient is φ = 1957293820.

The previous prime is 2153023207. The next prime is 2153023267. The reversal of 2153023213 is 3123203512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2153023213 - 2¹³ = 2153015021 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 (2153020213) 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 3 ways as a sum of consecutive naturals, for example, 97864681 + ... + 97864702.

It is an arithmetic number, because the mean of its divisors is an integer number (587188152).

Almost surely, 2^2153023213 is an apocalyptic number.

It is an amenable number.

2153023213 is a deficient number, since it is larger than the sum of its proper divisors (195729395).

2153023213 is a wasteful number, since it uses less digits than its factorization.

2153023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195729394.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 2153023213 is about 46400.6811695691. The cubic root of 2153023213 is about 1291.2675506468.

Adding to 2153023213 its reverse (3123203512), we get a palindrome (5276226725).

The spelling of 2153023213 in words is "two billion, one hundred fifty-three million, twenty-three thousand, two hundred thirteen".