67457567323 has 2 divisors, whose sum is σ = 67457567324. Its totient is φ = 67457567322.

The previous prime is 67457567293. The next prime is 67457567347. The reversal of 67457567323 is 32376575476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67457567323 - 2²¹ = 67455470171 is a prime.

It is not a weakly prime, because it can be changed into another prime (67452567323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33728783661 + 33728783662.

It is an arithmetic number, because the mean of its divisors is an integer number (33728783662).

Almost surely, 2^67457567323 is an apocalyptic number.

67457567323 is a deficient number, since it is larger than the sum of its proper divisors (1).

67457567323 is an equidigital number, since it uses as much as digits as its factorization.

67457567323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22226400, while the sum is 55.

The spelling of 67457567323 in words is "sixty-seven billion, four hundred fifty-seven million, five hundred sixty-seven thousand, three hundred twenty-three".