67090555923 has 4 divisors (see below), whose sum is σ = 89454074568. Its totient is φ = 44727037280.

The previous prime is 67090555877. The next prime is 67090555937. The reversal of 67090555923 is 32955509076.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67090555923 - 2¹⁰ = 67090554899 is a prime.

It is a super-2 number, since 2×67090555923² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67090557923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11181759318 + ... + 11181759323.

It is an arithmetic number, because the mean of its divisors is an integer number (22363518642).

Almost surely, 2^67090555923 is an apocalyptic number.

67090555923 is a deficient number, since it is larger than the sum of its proper divisors (22363518645).

67090555923 is a wasteful number, since it uses less digits than its factorization.

67090555923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22363518644.

The product of its (nonzero) digits is 2551500, while the sum is 51.

The spelling of 67090555923 in words is "sixty-seven billion, ninety million, five hundred fifty-five thousand, nine hundred twenty-three".