4287131123 has 4 divisors (see below), whose sum is σ = 4676870328. Its totient is φ = 3897391920.

The previous prime is 4287131117. The next prime is 4287131129. The reversal of 4287131123 is 3211317824.

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

It is an interprime number because it is at equal distance from previous prime (4287131117) and next prime (4287131129).

It is a cyclic number.

It is not a de Polignac number, because 4287131123 - 2¹² = 4287127027 is a prime.

It is a super-2 number, since 2×4287131123² = 36758986531590482258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4287131123.

It is not an unprimeable number, because it can be changed into a prime (4287131129) 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, 194869586 + ... + 194869607.

It is an arithmetic number, because the mean of its divisors is an integer number (1169217582).

Almost surely, 2^4287131123 is an apocalyptic number.

4287131123 is a deficient number, since it is larger than the sum of its proper divisors (389739205).

4287131123 is a wasteful number, since it uses less digits than its factorization.

4287131123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389739204.

The product of its digits is 8064, while the sum is 32.

The square root of 4287131123 is about 65476.1874500952. The cubic root of 4287131123 is about 1624.5095006225.

Adding to 4287131123 its reverse (3211317824), we get a palindrome (7498448947).

The spelling of 4287131123 in words is "four billion, two hundred eighty-seven million, one hundred thirty-one thousand, one hundred twenty-three".