20130412340023 has 32 divisors (see below), whose sum is σ = 22087383780800. Its totient is φ = 18279187024896.

The previous prime is 20130412340021. The next prime is 20130412340029. The reversal of 20130412340023 is 32004321403102.

It is a cyclic number.

It is not a de Polignac number, because 20130412340023 - 2¹ = 20130412340021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20130412340023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20130412340021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42306865 + ... + 42780037.

It is an arithmetic number, because the mean of its divisors is an integer number (690230743150).

Almost surely, 2^{20130412340023} is an apocalyptic number.

20130412340023 is a deficient number, since it is larger than the sum of its proper divisors (1956971440777).

20130412340023 is a wasteful number, since it uses less digits than its factorization.

20130412340023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474131.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20130412340023 its reverse (32004321403102), we get a palindrome (52134733743125).

The spelling of 20130412340023 in words is "twenty trillion, one hundred thirty billion, four hundred twelve million, three hundred forty thousand, twenty-three".