134264542623 has 4 divisors (see below), whose sum is σ = 179019390168. Its totient is φ = 89509695080.

The previous prime is 134264542547. The next prime is 134264542661. The reversal of 134264542623 is 326245462431.

It is a happy number.

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 134264542623 - 2¹⁷ = 134264411551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134264542123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22377423768 + ... + 22377423773.

It is an arithmetic number, because the mean of its divisors is an integer number (44754847542).

Almost surely, 2^134264542623 is an apocalyptic number.

134264542623 is a deficient number, since it is larger than the sum of its proper divisors (44754847545).

134264542623 is an equidigital number, since it uses as much as digits as its factorization.

134264542623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44754847544.

The product of its digits is 829440, while the sum is 42.

The spelling of 134264542623 in words is "one hundred thirty-four billion, two hundred sixty-four million, five hundred forty-two thousand, six hundred twenty-three".