4320123139 has 2 divisors, whose sum is σ = 4320123140. Its totient is φ = 4320123138.

The previous prime is 4320123091. The next prime is 4320123161. The reversal of 4320123139 is 9313210234.

4320123139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4320123139 - 2¹³ = 4320114947 is a prime.

It is a super-2 number, since 2×4320123139² = 37326927872246426642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4320123739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160061569 + 2160061570.

It is an arithmetic number, because the mean of its divisors is an integer number (2160061570).

Almost surely, 2^4320123139 is an apocalyptic number.

4320123139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320123139 is an equidigital number, since it uses as much as digits as its factorization.

4320123139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 4320123139 is about 65727.6436440559. The cubic root of 4320123139 is about 1628.6660443780. Note that the first 3 decimals are identical.

The spelling of 4320123139 in words is "four billion, three hundred twenty million, one hundred twenty-three thousand, one hundred thirty-nine".