2142505223 has 32 divisors (see below), whose sum is σ = 2411182080. Its totient is φ = 1893337600.

The previous prime is 2142505219. The next prime is 2142505241. The reversal of 2142505223 is 3225052412.

It is not a de Polignac number, because 2142505223 - 2² = 2142505219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2142505192 and 2142505201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142505213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8964338 + ... + 8964576.

It is an arithmetic number, because the mean of its divisors is an integer number (75349440).

Almost surely, 2^2142505223 is an apocalyptic number.

2142505223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2142505223 is a deficient number, since it is larger than the sum of its proper divisors (268676857).

2142505223 is a wasteful number, since it uses less digits than its factorization.

2142505223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2142505223 is about 46287.2036636477. The cubic root of 2142505223 is about 1289.1614089840.

Adding to 2142505223 its reverse (3225052412), we get a palindrome (5367557635).

The spelling of 2142505223 in words is "two billion, one hundred forty-two million, five hundred five thousand, two hundred twenty-three".