3125145423 has 4 divisors (see below), whose sum is σ = 4166860568. Its totient is φ = 2083430280.

The previous prime is 3125145421. The next prime is 3125145509. The reversal of 3125145423 is 3245415213.

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

It is not a de Polignac number, because 3125145423 - 2¹ = 3125145421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125145421) 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, 520857568 + ... + 520857573.

It is an arithmetic number, because the mean of its divisors is an integer number (1041715142).

Almost surely, 2^3125145423 is an apocalyptic number.

3125145423 is a deficient number, since it is larger than the sum of its proper divisors (1041715145).

3125145423 is a wasteful number, since it uses less digits than its factorization.

3125145423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041715144.

The product of its digits is 14400, while the sum is 30.

The square root of 3125145423 is about 55903.0001252169. Note that the first 3 decimals coincide. The cubic root of 3125145423 is about 1462.0315471243.

The spelling of 3125145423 in words is "three billion, one hundred twenty-five million, one hundred forty-five thousand, four hundred twenty-three".