70012421723 has 2 divisors, whose sum is σ = 70012421724. Its totient is φ = 70012421722.

The previous prime is 70012421683. The next prime is 70012421729. The reversal of 70012421723 is 32712421007.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70012421723 - 2¹² = 70012417627 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (70012421729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35006210861 + 35006210862.

It is an arithmetic number, because the mean of its divisors is an integer number (35006210862).

Almost surely, 2^70012421723 is an apocalyptic number.

70012421723 is a deficient number, since it is larger than the sum of its proper divisors (1).

70012421723 is an equidigital number, since it uses as much as digits as its factorization.

70012421723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 29.

The spelling of 70012421723 in words is "seventy billion, twelve million, four hundred twenty-one thousand, seven hundred twenty-three".