23201221134715 has 32 divisors (see below), whose sum is σ = 30110648996736. Its totient is φ = 17060348528640.

The previous prime is 23201221134673. The next prime is 23201221134733. The reversal of 23201221134715 is 51743112210232.

It is not a de Polignac number, because 23201221134715 - 2¹⁷ = 23201221003643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161951497 + ... + 162094693.

It is an arithmetic number, because the mean of its divisors is an integer number (940957781148).

Almost surely, 2^{23201221134715} is an apocalyptic number.

23201221134715 is a deficient number, since it is larger than the sum of its proper divisors (6909427862021).

23201221134715 is a wasteful number, since it uses less digits than its factorization.

23201221134715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153799.

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 23201221134715 its reverse (51743112210232), we get a palindrome (74944333344947).

The spelling of 23201221134715 in words is "twenty-three trillion, two hundred one billion, two hundred twenty-one million, one hundred thirty-four thousand, seven hundred fifteen".