4323731 has 2 divisors, whose sum is σ = 4323732. Its totient is φ = 4323730.

The previous prime is 4323721. The next prime is 4323743. The reversal of 4323731 is 1373234.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4323731 is a prime.

It is a super-2 number, since 2×4323731² = 37389299520722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4323697 and 4323706.

It is not a weakly prime, because it can be changed into another prime (4323721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2161865 + 2161866.

It is an arithmetic number, because the mean of its divisors is an integer number (2161866).

Almost surely, 2^4323731 is an apocalyptic number.

4323731 is a deficient number, since it is larger than the sum of its proper divisors (1).

4323731 is an equidigital number, since it uses as much as digits as its factorization.

4323731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 23.

The square root of 4323731 is about 2079.3583144807. The cubic root of 4323731 is about 162.9119300418.

Adding to 4323731 its reverse (1373234), we get a palindrome (5696965).

The spelling of 4323731 in words is "four million, three hundred twenty-three thousand, seven hundred thirty-one".