70523983 has 2 divisors, whose sum is σ = 70523984. Its totient is φ = 70523982.

The previous prime is 70523963. The next prime is 70523993. The reversal of 70523983 is 38932507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70523983 - 2¹⁷ = 70392911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70523903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35261991 + 35261992.

It is an arithmetic number, because the mean of its divisors is an integer number (35261992).

Almost surely, 2^70523983 is an apocalyptic number.

70523983 is a deficient number, since it is larger than the sum of its proper divisors (1).

70523983 is an equidigital number, since it uses as much as digits as its factorization.

70523983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 70523983 is about 8397.8558573007. The cubic root of 70523983 is about 413.1543002099.

The spelling of 70523983 in words is "seventy million, five hundred twenty-three thousand, nine hundred eighty-three".