2157357223 has 16 divisors (see below), whose sum is σ = 2631882240. Its totient is φ = 1727157600.

The previous prime is 2157357217. The next prime is 2157357227. The reversal of 2157357223 is 3227537512.

It is not a de Polignac number, because 2157357223 - 2¹⁷ = 2157226151 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 (2157357227) 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 15 ways as a sum of consecutive naturals, for example, 104788 + ... + 123673.

It is an arithmetic number, because the mean of its divisors is an integer number (164492640).

Almost surely, 2^2157357223 is an apocalyptic number.

2157357223 is a deficient number, since it is larger than the sum of its proper divisors (474525017).

2157357223 is a wasteful number, since it uses less digits than its factorization.

2157357223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228558.

The product of its digits is 88200, while the sum is 37.

The square root of 2157357223 is about 46447.3596989108. The cubic root of 2157357223 is about 1292.1334053045.

The spelling of 2157357223 in words is "two billion, one hundred fifty-seven million, three hundred fifty-seven thousand, two hundred twenty-three".