134623191453 has 4 divisors (see below), whose sum is σ = 179497588608. Its totient is φ = 89748794300.

The previous prime is 134623191419. The next prime is 134623191467. The reversal of 134623191453 is 354191326431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 134623191453 - 2¹⁴ = 134623175069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134623191473) 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, 22437198573 + ... + 22437198578.

It is an arithmetic number, because the mean of its divisors is an integer number (44874397152).

Almost surely, 2^134623191453 is an apocalyptic number.

It is an amenable number.

134623191453 is a deficient number, since it is larger than the sum of its proper divisors (44874397155).

134623191453 is an equidigital number, since it uses as much as digits as its factorization.

134623191453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44874397154.

The product of its digits is 233280, while the sum is 42.

The spelling of 134623191453 in words is "one hundred thirty-four billion, six hundred twenty-three million, one hundred ninety-one thousand, four hundred fifty-three".