134218334623 has 2 divisors, whose sum is σ = 134218334624. Its totient is φ = 134218334622.

The previous prime is 134218334527. The next prime is 134218334629. The reversal of 134218334623 is 326433812431.

It is a strong prime.

It is an emirp because it is prime and its reverse (326433812431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134218334623 is a prime.

It is a super-2 number, since 2×134218334623² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134218334629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67109167311 + 67109167312.

It is an arithmetic number, because the mean of its divisors is an integer number (67109167312).

Almost surely, 2^134218334623 is an apocalyptic number.

134218334623 is a deficient number, since it is larger than the sum of its proper divisors (1).

134218334623 is an equidigital number, since it uses as much as digits as its factorization.

134218334623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 40.

The spelling of 134218334623 in words is "one hundred thirty-four billion, two hundred eighteen million, three hundred thirty-four thousand, six hundred twenty-three".