23404545313211 has 4 divisors (see below), whose sum is σ = 23434980353400. Its totient is φ = 23374110273024.

The previous prime is 23404545313189. The next prime is 23404545313243. The reversal of 23404545313211 is 11231354540432.

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 23404545313211 - 2⁶ = 23404545313147 is a prime.

It is a super-2 number, since 2×23404545313211² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23404545313411) 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, 15217518941 + ... + 15217520478.

It is an arithmetic number, because the mean of its divisors is an integer number (5858745088350).

Almost surely, 2^{23404545313211} is an apocalyptic number.

23404545313211 is a deficient number, since it is larger than the sum of its proper divisors (30435040189).

23404545313211 is an equidigital number, since it uses as much as digits as its factorization.

23404545313211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30435040188.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 23404545313211 its reverse (11231354540432), we get a palindrome (34635899853643).

The spelling of 23404545313211 in words is "twenty-three trillion, four hundred four billion, five hundred forty-five million, three hundred thirteen thousand, two hundred eleven".