70340323 has 2 divisors, whose sum is σ = 70340324. Its totient is φ = 70340322.

The previous prime is 70340317. The next prime is 70340351. The reversal of 70340323 is 32304307.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70340323 - 2¹³ = 70332131 is a prime.

It is a super-2 number, since 2×70340323² = 9895522079488658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70340294 and 70340303.

It is not a weakly prime, because it can be changed into another prime (70340363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35170161 + 35170162.

It is an arithmetic number, because the mean of its divisors is an integer number (35170162).

Almost surely, 2^70340323 is an apocalyptic number.

70340323 is a deficient number, since it is larger than the sum of its proper divisors (1).

70340323 is an equidigital number, since it uses as much as digits as its factorization.

70340323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 70340323 is about 8386.9137947161. The cubic root of 70340323 is about 412.7953401307.

The spelling of 70340323 in words is "seventy million, three hundred forty thousand, three hundred twenty-three".