23420520115351 has 8 divisors (see below), whose sum is σ = 23681411762400. Its totient is φ = 23160025264128.

The previous prime is 23420520115309. The next prime is 23420520115393. The reversal of 23420520115351 is 15351102502432.

It is an interprime number because it is at equal distance from previous prime (23420520115309) and next prime (23420520115393).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23420520115351 - 2³³ = 23411930180759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23420520115451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99080251 + ... + 99316348.

It is an arithmetic number, because the mean of its divisors is an integer number (2960176470300).

Almost surely, 2^{23420520115351} is an apocalyptic number.

23420520115351 is a deficient number, since it is larger than the sum of its proper divisors (260891647049).

23420520115351 is a wasteful number, since it uses less digits than its factorization.

23420520115351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198397913.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 23420520115351 its reverse (15351102502432), we get a palindrome (38771622617783).

The spelling of 23420520115351 in words is "twenty-three trillion, four hundred twenty billion, five hundred twenty million, one hundred fifteen thousand, three hundred fifty-one".