23101220215146 has 64 divisors (see below), whose sum is σ = 50043194150400. Its totient is φ = 7085660815296.

The previous prime is 23101220215067. The next prime is 23101220215201. The reversal of 23101220215146 is 64151202210132.

It is a super-3 number, since 3×23101220215146³ (a number of 41 digits) contains 333 as substring.

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, 12286261 + ... + 14041176.

It is an arithmetic number, because the mean of its divisors is an integer number (781924908600).

Almost surely, 2^{23101220215146} is an apocalyptic number.

23101220215146 is an abundant number, since it is smaller than the sum of its proper divisors (26941973935254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23101220215146 is a wasteful number, since it uses less digits than its factorization.

23101220215146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26327683.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 23101220215146 its reverse (64151202210132), we get a palindrome (87252422425278).

The spelling of 23101220215146 in words is "twenty-three trillion, one hundred one billion, two hundred twenty million, two hundred fifteen thousand, one hundred forty-six".