5155723 has 4 divisors (see below), whose sum is σ = 5188720. Its totient is φ = 5122728.

The previous prime is 5155699. The next prime is 5155727. The reversal of 5155723 is 3275515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3275515 = 5 ⋅655103.

It is a cyclic number.

It is not a de Polignac number, because 5155723 - 2¹³ = 5147531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5155691 and 5155700.

It is not an unprimeable number, because it can be changed into a prime (5155727) 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, 16263 + ... + 16576.

It is an arithmetic number, because the mean of its divisors is an integer number (1297180).

Almost surely, 2^5155723 is an apocalyptic number.

5155723 is a deficient number, since it is larger than the sum of its proper divisors (32997).

5155723 is a wasteful number, since it uses less digits than its factorization.

5155723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32996.

The product of its digits is 5250, while the sum is 28.

The square root of 5155723 is about 2270.6217210271. The cubic root of 5155723 is about 172.7546948236.

It can be divided in two parts, 51557 and 23, that multiplied together give a palindrome (1185811).

The spelling of 5155723 in words is "five million, one hundred fifty-five thousand, seven hundred twenty-three".