134343400023 has 24 divisors (see below), whose sum is σ = 224445207168. Its totient is φ = 75842742672.

The previous prime is 134343400003. The next prime is 134343400033. The reversal of 134343400023 is 320004343431.

It is not a de Polignac number, because 134343400023 - 2¹⁶ = 134343334487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134343400023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134343400003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12840765 + ... + 12851222.

It is an arithmetic number, because the mean of its divisors is an integer number (9351883632).

Almost surely, 2^134343400023 is an apocalyptic number.

134343400023 is a deficient number, since it is larger than the sum of its proper divisors (90101807145).

134343400023 is a wasteful number, since it uses less digits than its factorization.

134343400023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25692083 (or 25692080 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 134343400023 its reverse (320004343431), we get a palindrome (454347743454).

The spelling of 134343400023 in words is "one hundred thirty-four billion, three hundred forty-three million, four hundred thousand, twenty-three".