70857073823 has 2 divisors, whose sum is σ = 70857073824. Its totient is φ = 70857073822.

The previous prime is 70857073799. The next prime is 70857073853. The reversal of 70857073823 is 32837075807.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70857073823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70857073853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35428536911 + 35428536912.

It is an arithmetic number, because the mean of its divisors is an integer number (35428536912).

Almost surely, 2^70857073823 is an apocalyptic number.

70857073823 is a deficient number, since it is larger than the sum of its proper divisors (1).

70857073823 is an equidigital number, since it uses as much as digits as its factorization.

70857073823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 70857073823 in words is "seventy billion, eight hundred fifty-seven million, seventy-three thousand, eight hundred twenty-three".