23420014513 has 4 divisors (see below), whose sum is σ = 26765730880. Its totient is φ = 20074298148.

The previous prime is 23420014493. The next prime is 23420014537. The reversal of 23420014513 is 31541002432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23420014513 - 2⁵ = 23420014481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23420014313) 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, 1672858173 + ... + 1672858186.

It is an arithmetic number, because the mean of its divisors is an integer number (6691432720).

Almost surely, 2^23420014513 is an apocalyptic number.

It is an amenable number.

23420014513 is a deficient number, since it is larger than the sum of its proper divisors (3345716367).

23420014513 is an equidigital number, since it uses as much as digits as its factorization.

23420014513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345716366.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 23420014513 its reverse (31541002432), we get a palindrome (54961016945).

The spelling of 23420014513 in words is "twenty-three billion, four hundred twenty million, fourteen thousand, five hundred thirteen".