70385123 has 2 divisors, whose sum is σ = 70385124. Its totient is φ = 70385122.

The previous prime is 70385111. The next prime is 70385131. The reversal of 70385123 is 32158307.

It is a strong prime.

It is an emirp because it is prime and its reverse (32158307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70385123 - 2¹² = 70381027 is a prime.

It is not a weakly prime, because it can be changed into another prime (70345123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35192561 + 35192562.

It is an arithmetic number, because the mean of its divisors is an integer number (35192562).

Almost surely, 2^70385123 is an apocalyptic number.

70385123 is a deficient number, since it is larger than the sum of its proper divisors (1).

70385123 is an equidigital number, since it uses as much as digits as its factorization.

70385123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 70385123 is about 8389.5841970863. The cubic root of 70385123 is about 412.8829584682.

The spelling of 70385123 in words is "seventy million, three hundred eighty-five thousand, one hundred twenty-three".