7620347123 has 2 divisors, whose sum is σ = 7620347124. Its totient is φ = 7620347122.

The previous prime is 7620347101. The next prime is 7620347129. The reversal of 7620347123 is 3217430267.

It is a strong prime.

It is an emirp because it is prime and its reverse (3217430267) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7620347123 - 2¹⁰ = 7620346099 is a prime.

It is not a weakly prime, because it can be changed into another prime (7620347129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3810173561 + 3810173562.

It is an arithmetic number, because the mean of its divisors is an integer number (3810173562).

Almost surely, 2^7620347123 is an apocalyptic number.

7620347123 is a deficient number, since it is larger than the sum of its proper divisors (1).

7620347123 is an equidigital number, since it uses as much as digits as its factorization.

7620347123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 7620347123 is about 87294.5996210533. The cubic root of 7620347123 is about 1967.8481595504.

The spelling of 7620347123 in words is "seven billion, six hundred twenty million, three hundred forty-seven thousand, one hundred twenty-three".