2142103243 has 16 divisors (see below), whose sum is σ = 2475221760. Its totient is φ = 1815804000.

The previous prime is 2142103219. The next prime is 2142103253. The reversal of 2142103243 is 3423012412.

It is a cyclic number.

It is not a de Polignac number, because 2142103243 - 2¹³ = 2142095051 is a prime.

It is a super-2 number, since 2×2142103243² = 9177212607342234098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142103213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081428 + ... + 1083406.

It is an arithmetic number, because the mean of its divisors is an integer number (154701360).

Almost surely, 2^2142103243 is an apocalyptic number.

2142103243 is a deficient number, since it is larger than the sum of its proper divisors (333118517).

2142103243 is a wasteful number, since it uses less digits than its factorization.

2142103243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2142103243 is about 46282.8612231353. The cubic root of 2142103243 is about 1289.0807791508.

Adding to 2142103243 its reverse (3423012412), we get a palindrome (5565115655).

The spelling of 2142103243 in words is "two billion, one hundred forty-two million, one hundred three thousand, two hundred forty-three".