23215453004441 has 4 divisors (see below), whose sum is σ = 23445308974884. Its totient is φ = 22985597034000.

The previous prime is 23215453004411. The next prime is 23215453004449. The reversal of 23215453004441 is 14440035451232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14657955902041 + 8557497102400 = 3828571^2 + 2925320^2 .

It is a cyclic number.

It is not a de Polignac number, because 23215453004441 - 2⁶ = 23215453004377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23215453004395 and 23215453004404.

It is not an unprimeable number, because it can be changed into a prime (23215453004449) 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, 114927985070 + ... + 114927985271.

It is an arithmetic number, because the mean of its divisors is an integer number (5861327243721).

Almost surely, 2^{23215453004441} is an apocalyptic number.

It is an amenable number.

23215453004441 is a deficient number, since it is larger than the sum of its proper divisors (229855970443).

23215453004441 is a wasteful number, since it uses less digits than its factorization.

23215453004441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229855970442.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 23215453004441 its reverse (14440035451232), we get a palindrome (37655488455673).

The spelling of 23215453004441 in words is "twenty-three trillion, two hundred fifteen billion, four hundred fifty-three million, four thousand, four hundred forty-one".