4723531 has 4 divisors (see below), whose sum is σ = 4851232. Its totient is φ = 4595832.

The previous prime is 4723517. The next prime is 4723561. The reversal of 4723531 is 1353274.

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-4723531 is a prime.

It is a super-2 number, since 2×4723531² = 44623490215922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4723496 and 4723505.

It is not an unprimeable number, because it can be changed into a prime (4723561) 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, 63795 + ... + 63868.

It is an arithmetic number, because the mean of its divisors is an integer number (1212808).

Almost surely, 2^4723531 is an apocalyptic number.

4723531 is a deficient number, since it is larger than the sum of its proper divisors (127701).

4723531 is a wasteful number, since it uses less digits than its factorization.

4723531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127700.

The product of its digits is 2520, while the sum is 25.

The square root of 4723531 is about 2173.3685835587. The cubic root of 4723531 is about 167.7859495197.

The spelling of 4723531 in words is "four million, seven hundred twenty-three thousand, five hundred thirty-one".