70223843 has 2 divisors, whose sum is σ = 70223844. Its totient is φ = 70223842.

The previous prime is 70223833. The next prime is 70223851. The reversal of 70223843 is 34832207.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70223843 - 2⁴ = 70223827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (70223833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35111921 + 35111922.

It is an arithmetic number, because the mean of its divisors is an integer number (35111922).

Almost surely, 2^70223843 is an apocalyptic number.

70223843 is a deficient number, since it is larger than the sum of its proper divisors (1).

70223843 is an equidigital number, since it uses as much as digits as its factorization.

70223843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 70223843 is about 8379.9667660439. The cubic root of 70223843 is about 412.5673582075.

The spelling of 70223843 in words is "seventy million, two hundred twenty-three thousand, eight hundred forty-three".