134312211023 has 4 divisors (see below), whose sum is σ = 134903895000. Its totient is φ = 133720527048.

The previous prime is 134312211017. The next prime is 134312211031. The reversal of 134312211023 is 320112213431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320112213431 = 30941 ⋅10345891.

It is a cyclic number.

It is not a de Polignac number, because 134312211023 - 2³⁴ = 117132341839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134312211023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134312211323) 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, 295841648 + ... + 295842101.

It is an arithmetic number, because the mean of its divisors is an integer number (33725973750).

Almost surely, 2^134312211023 is an apocalyptic number.

134312211023 is a deficient number, since it is larger than the sum of its proper divisors (591683977).

134312211023 is an equidigital number, since it uses as much as digits as its factorization.

134312211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591683976.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 134312211023 its reverse (320112213431), we get a palindrome (454424424454).

The spelling of 134312211023 in words is "one hundred thirty-four billion, three hundred twelve million, two hundred eleven thousand, twenty-three".