4720345523 has 2 divisors, whose sum is σ = 4720345524. Its totient is φ = 4720345522.

The previous prime is 4720345507. The next prime is 4720345537. The reversal of 4720345523 is 3255430274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4720345523 - 2⁴ = 4720345507 is a prime.

It is a super-2 number, since 2×4720345523² = 44563323713012287058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4720345583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2360172761 + 2360172762.

It is an arithmetic number, because the mean of its divisors is an integer number (2360172762).

Almost surely, 2^4720345523 is an apocalyptic number.

4720345523 is a deficient number, since it is larger than the sum of its proper divisors (1).

4720345523 is an equidigital number, since it uses as much as digits as its factorization.

4720345523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 35.

The square root of 4720345523 is about 68704.7707441048. The cubic root of 4720345523 is about 1677.4822361253.

Adding to 4720345523 its reverse (3255430274), we get a palindrome (7975775797).

The spelling of 4720345523 in words is "four billion, seven hundred twenty million, three hundred forty-five thousand, five hundred twenty-three".