23400134306533 has 8 divisors (see below), whose sum is σ = 23721002959256. Its totient is φ = 23079274272000.

The previous prime is 23400134306519. The next prime is 23400134306639. The reversal of 23400134306533 is 33560343100432.

It can be written as a sum of positive squares in 4 ways, for example, as 149829378084 + 23250304928449 = 387078^2 + 4821857^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23400134306533 - 2⁵ = 23400134306501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23400134306492 and 23400134306501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23400134306513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3410983 + ... + 7644283.

It is an arithmetic number, because the mean of its divisors is an integer number (2965125369907).

Almost surely, 2^{23400134306533} is an apocalyptic number.

It is an amenable number.

23400134306533 is a deficient number, since it is larger than the sum of its proper divisors (320868652723).

23400134306533 is an equidigital number, since it uses as much as digits as its factorization.

23400134306533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309095.

The product of its (nonzero) digits is 233280, while the sum is 37.

Adding to 23400134306533 its reverse (33560343100432), we get a palindrome (56960477406965).

The spelling of 23400134306533 in words is "twenty-three trillion, four hundred billion, one hundred thirty-four million, three hundred six thousand, five hundred thirty-three".