23434345623513 has 16 divisors (see below), whose sum is σ = 34086899347200. Its totient is φ = 14202392694480.

The previous prime is 23434345623473. The next prime is 23434345623523. The reversal of 23434345623513 is 31532654343432.

It is a happy number.

It is not a de Polignac number, because 23434345623513 - 2⁸ = 23434345623257 is a prime.

It is a super-2 number, since 2×23434345623513² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23434345623523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4041583 + ... + 7950036.

It is an arithmetic number, because the mean of its divisors is an integer number (2130431209200).

Almost surely, 2^{23434345623513} is an apocalyptic number.

It is an amenable number.

23434345623513 is a deficient number, since it is larger than the sum of its proper divisors (10652553723687).

23434345623513 is a wasteful number, since it uses less digits than its factorization.

23434345623513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12050852.

The product of its digits is 9331200, while the sum is 48.

Adding to 23434345623513 its reverse (31532654343432), we get a palindrome (54966999966945).

The spelling of 23434345623513 in words is "twenty-three trillion, four hundred thirty-four billion, three hundred forty-five million, six hundred twenty-three thousand, five hundred thirteen".