5142923 has 4 divisors (see below), whose sum is σ = 5213448. Its totient is φ = 5072400.

The previous prime is 5142919. The next prime is 5142937. The reversal of 5142923 is 3292415.

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 5142923 - 2² = 5142919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5142892 and 5142901.

It is not an unprimeable number, because it can be changed into a prime (5142913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35153 + ... + 35298.

It is an arithmetic number, because the mean of its divisors is an integer number (1303362).

Almost surely, 2^5142923 is an apocalyptic number.

5142923 is a deficient number, since it is larger than the sum of its proper divisors (70525).

5142923 is an equidigital number, since it uses as much as digits as its factorization.

5142923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70524.

The product of its digits is 2160, while the sum is 26.

The square root of 5142923 is about 2267.8013581441. The cubic root of 5142923 is about 172.6116115890.

The spelling of 5142923 in words is "five million, one hundred forty-two thousand, nine hundred twenty-three".