1667006023 has 2 divisors, whose sum is σ = 1667006024. Its totient is φ = 1667006022.

The previous prime is 1667005981. The next prime is 1667006039. The reversal of 1667006023 is 3206007661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1667006023 - 2¹³ = 1666997831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1667006093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 833503011 + 833503012.

It is an arithmetic number, because the mean of its divisors is an integer number (833503012).

Almost surely, 2^1667006023 is an apocalyptic number.

1667006023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1667006023 is an equidigital number, since it uses as much as digits as its factorization.

1667006023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1667006023 is about 40828.9850841287. The cubic root of 1667006023 is about 1185.7115663203.

The spelling of 1667006023 in words is "one billion, six hundred sixty-seven million, six thousand, twenty-three".