672158263523 has 2 divisors, whose sum is σ = 672158263524. Its totient is φ = 672158263522.

The previous prime is 672158263481. The next prime is 672158263531. The reversal of 672158263523 is 325362851276.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 672158263523 - 2¹⁶ = 672158197987 is a prime.

It is not a weakly prime, because it can be changed into another prime (672158263423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336079131761 + 336079131762.

It is an arithmetic number, because the mean of its divisors is an integer number (336079131762).

Almost surely, 2^672158263523 is an apocalyptic number.

672158263523 is a deficient number, since it is larger than the sum of its proper divisors (1).

672158263523 is an equidigital number, since it uses as much as digits as its factorization.

672158263523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 50.

The spelling of 672158263523 in words is "six hundred seventy-two billion, one hundred fifty-eight million, two hundred sixty-three thousand, five hundred twenty-three".