2153023365 has 64 divisors (see below), whose sum is σ = 3712262400. Its totient is φ = 1063372800.

The previous prime is 2153023343. The next prime is 2153023381. The reversal of 2153023365 is 5633203512.

It is not a de Polignac number, because 2153023365 - 2¹¹ = 2153021317 is a prime.

It is a super-2 number, since 2×2153023365² = 9271019220471846450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1086946 + ... + 1088924.

It is an arithmetic number, because the mean of its divisors is an integer number (58004100).

Almost surely, 2^2153023365 is an apocalyptic number.

It is an amenable number.

2153023365 is a deficient number, since it is larger than the sum of its proper divisors (1559239035).

2153023365 is a wasteful number, since it uses less digits than its factorization.

2153023365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 2153023365 is about 46400.6828074760. The cubic root of 2153023365 is about 1291.2675810339.

Adding to 2153023365 its reverse (5633203512), we get a palindrome (7786226877).

The spelling of 2153023365 in words is "two billion, one hundred fifty-three million, twenty-three thousand, three hundred sixty-five".