2154253323 has 4 divisors (see below), whose sum is σ = 2872337768. Its totient is φ = 1436168880.

The previous prime is 2154253303. The next prime is 2154253351. The reversal of 2154253323 is 3233524512.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2154253323 - 2¹⁴ = 2154236939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2154253303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359042218 + ... + 359042223.

It is an arithmetic number, because the mean of its divisors is an integer number (718084442).

Almost surely, 2^2154253323 is an apocalyptic number.

2154253323 is a deficient number, since it is larger than the sum of its proper divisors (718084445).

2154253323 is an equidigital number, since it uses as much as digits as its factorization.

2154253323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718084444.

The product of its digits is 21600, while the sum is 30.

The square root of 2154253323 is about 46413.9345778830. The cubic root of 2154253323 is about 1291.5134217715.

Adding to 2154253323 its reverse (3233524512), we get a palindrome (5387777835).

The spelling of 2154253323 in words is "two billion, one hundred fifty-four million, two hundred fifty-three thousand, three hundred twenty-three".