23434655020423 has 4 divisors (see below), whose sum is σ = 23434686300400. Its totient is φ = 23434623740448.

The previous prime is 23434655020393. The next prime is 23434655020471. The reversal of 23434655020423 is 32402055643432.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23434655020423 - 2¹³ = 23434655012231 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 23434655020423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23434655020823) 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, 14487915 + ... + 16024012.

It is an arithmetic number, because the mean of its divisors is an integer number (5858671575100).

Almost surely, 2^{23434655020423} is an apocalyptic number.

23434655020423 is a deficient number, since it is larger than the sum of its proper divisors (31279977).

23434655020423 is an equidigital number, since it uses as much as digits as its factorization.

23434655020423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31279976.

The product of its (nonzero) digits is 2073600, while the sum is 43.

The spelling of 23434655020423 in words is "twenty-three trillion, four hundred thirty-four billion, six hundred fifty-five million, twenty thousand, four hundred twenty-three".