23221100201465 has 8 divisors (see below), whose sum is σ = 27964485084168. Its totient is φ = 18510770266240.

The previous prime is 23221100201449. The next prime is 23221100201489. The reversal of 23221100201465 is 56410200112232.

It can be written as a sum of positive squares in 4 ways, for example, as 107130526864 + 23113969674601 = 327308^2 + 4807699^2 .

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

It is not a de Polignac number, because 23221100201465 - 2⁴ = 23221100201449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8263735322 + ... + 8263738131.

It is an arithmetic number, because the mean of its divisors is an integer number (3495560635521).

Almost surely, 2^{23221100201465} is an apocalyptic number.

It is an amenable number.

23221100201465 is a deficient number, since it is larger than the sum of its proper divisors (4743384882703).

23221100201465 is a wasteful number, since it uses less digits than its factorization.

23221100201465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16527473739.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 23221100201465 its reverse (56410200112232), we get a palindrome (79631300313697).

The spelling of 23221100201465 in words is "twenty-three trillion, two hundred twenty-one billion, one hundred million, two hundred one thousand, four hundred sixty-five".