2137510223 has 4 divisors (see below), whose sum is σ = 2148701568. Its totient is φ = 2126318880.

The previous prime is 2137510213. The next prime is 2137510231. The reversal of 2137510223 is 3220157312.

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

It is a cyclic number.

It is not a de Polignac number, because 2137510223 - 2²⁰ = 2136461647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2137510192 and 2137510201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137510213) 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, 5595386 + ... + 5595767.

It is an arithmetic number, because the mean of its divisors is an integer number (537175392).

Almost surely, 2^2137510223 is an apocalyptic number.

2137510223 is a deficient number, since it is larger than the sum of its proper divisors (11191345).

2137510223 is a wasteful number, since it uses less digits than its factorization.

2137510223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11191344.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 2137510223 is about 46233.2155814410. The cubic root of 2137510223 is about 1288.1587864675.

Adding to 2137510223 its reverse (3220157312), we get a palindrome (5357667535).

The spelling of 2137510223 in words is "two billion, one hundred thirty-seven million, five hundred ten thousand, two hundred twenty-three".