4640258323 has 2 divisors, whose sum is σ = 4640258324. Its totient is φ = 4640258322.

The previous prime is 4640258263. The next prime is 4640258351. The reversal of 4640258323 is 3238520464.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4640258323 is a prime.

It is not a weakly prime, because it can be changed into another prime (4640258123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320129161 + 2320129162.

It is an arithmetic number, because the mean of its divisors is an integer number (2320129162).

Almost surely, 2^4640258323 is an apocalyptic number.

4640258323 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640258323 is an equidigital number, since it uses as much as digits as its factorization.

4640258323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 4640258323 is about 68119.4415934247. The cubic root of 4640258323 is about 1667.9411350609.

Adding to 4640258323 its reverse (3238520464), we get a palindrome (7878778787).

It can be divided in two parts, 4640258 and 323, that added together give a triangular number (4640581 = T₃₀₄₆).

The spelling of 4640258323 in words is "four billion, six hundred forty million, two hundred fifty-eight thousand, three hundred twenty-three".