3125537923 has 4 divisors (see below), whose sum is σ = 3125794168. Its totient is φ = 3125281680.

The previous prime is 3125537911. The next prime is 3125537939. The reversal of 3125537923 is 3297355213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3125537923 is a prime.

It is a super-2 number, since 2×3125537923² = 19537974616222307858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3125537983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108861 + ... + 134542.

It is an arithmetic number, because the mean of its divisors is an integer number (781448542).

Almost surely, 2^3125537923 is an apocalyptic number.

3125537923 is a deficient number, since it is larger than the sum of its proper divisors (256245).

3125537923 is a wasteful number, since it uses less digits than its factorization.

3125537923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256244.

The product of its digits is 170100, while the sum is 40.

The square root of 3125537923 is about 55906.5105600412. The cubic root of 3125537923 is about 1462.0927521012.

The spelling of 3125537923 in words is "three billion, one hundred twenty-five million, five hundred thirty-seven thousand, nine hundred twenty-three".