1207666423 has 2 divisors, whose sum is σ = 1207666424. Its totient is φ = 1207666422.

The previous prime is 1207666399. The next prime is 1207666501. The reversal of 1207666423 is 3246667021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1207666423 is a prime.

It is a super-2 number, since 2×1207666423² = 2916916378483229858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1207606423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603833211 + 603833212.

It is an arithmetic number, because the mean of its divisors is an integer number (603833212).

Almost surely, 2^1207666423 is an apocalyptic number.

1207666423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1207666423 is an equidigital number, since it uses as much as digits as its factorization.

1207666423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 1207666423 is about 34751.4952627941. The cubic root of 1207666423 is about 1064.9167642708.

The spelling of 1207666423 in words is "one billion, two hundred seven million, six hundred sixty-six thousand, four hundred twenty-three".