23205043255134 has 64 divisors (see below), whose sum is σ = 50144219274240. Its totient is φ = 7116569867520.

The previous prime is 23205043255081. The next prime is 23205043255279. The reversal of 23205043255134 is 43155234050232.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 23205043255092 and 23205043255101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 540422514 + ... + 540465450.

It is an arithmetic number, because the mean of its divisors is an integer number (783503426160).

Almost surely, 2^{23205043255134} is an apocalyptic number.

23205043255134 is an abundant number, since it is smaller than the sum of its proper divisors (26939176019106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23205043255134 is a wasteful number, since it uses less digits than its factorization.

23205043255134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65545.

The product of its (nonzero) digits is 432000, while the sum is 39.

The spelling of 23205043255134 in words is "twenty-three trillion, two hundred five billion, forty-three million, two hundred fifty-five thousand, one hundred thirty-four".