3135123443 has 4 divisors (see below), whose sum is σ = 3300129960. Its totient is φ = 2970116928.

The previous prime is 3135123437. The next prime is 3135123547. The reversal of 3135123443 is 3443215313.

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 3135123443 - 2⁶ = 3135123379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3135123413) 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, 82503230 + ... + 82503267.

It is an arithmetic number, because the mean of its divisors is an integer number (825032490).

Almost surely, 2^3135123443 is an apocalyptic number.

3135123443 is a deficient number, since it is larger than the sum of its proper divisors (165006517).

3135123443 is a wasteful number, since it uses less digits than its factorization.

3135123443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165006516.

The product of its digits is 12960, while the sum is 29.

The square root of 3135123443 is about 55992.1730512399. The cubic root of 3135123443 is about 1463.5858941734.

Adding to 3135123443 its reverse (3443215313), we get a palindrome (6578338756).

The spelling of 3135123443 in words is "three billion, one hundred thirty-five million, one hundred twenty-three thousand, four hundred forty-three".