1670685323 has 2 divisors, whose sum is σ = 1670685324. Its totient is φ = 1670685322.

The previous prime is 1670685307. The next prime is 1670685329. The reversal of 1670685323 is 3235860761.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1670685323 - 2⁴ = 1670685307 is a prime.

It is a super-2 number, since 2×1670685323² = 5582378896975228658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1670685329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835342661 + 835342662.

It is an arithmetic number, because the mean of its divisors is an integer number (835342662).

Almost surely, 2^1670685323 is an apocalyptic number.

1670685323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670685323 is an equidigital number, since it uses as much as digits as its factorization.

1670685323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 1670685323 is about 40874.0177007350. The cubic root of 1670685323 is about 1186.5832654093.

The spelling of 1670685323 in words is "one billion, six hundred seventy million, six hundred eighty-five thousand, three hundred twenty-three".