2153660223 has 64 divisors (see below), whose sum is σ = 3544031232. Its totient is φ = 1144682880.

The previous prime is 2153660213. The next prime is 2153660233. The reversal of 2153660223 is 3220663512.

It is an interprime number because it is at equal distance from previous prime (2153660213) and next prime (2153660233).

It is not a de Polignac number, because 2153660223 - 2⁵ = 2153660191 is a prime.

It is a super-2 number, since 2×2153660223² = 9276504712264819458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153660213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1647136 + ... + 1648442.

It is an arithmetic number, because the mean of its divisors is an integer number (55375488).

Almost surely, 2^2153660223 is an apocalyptic number.

2153660223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2153660223 is a deficient number, since it is larger than the sum of its proper divisors (1390371009).

2153660223 is a wasteful number, since it uses less digits than its factorization.

2153660223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 2153660223 is about 46407.5448930451. The cubic root of 2153660223 is about 1291.3948862043.

The spelling of 2153660223 in words is "two billion, one hundred fifty-three million, six hundred sixty thousand, two hundred twenty-three".