23215132224 has 112 divisors (see below), whose sum is σ = 68852735040. Its totient is φ = 7669831680.

The previous prime is 23215132183. The next prime is 23215132243. The reversal of 23215132224 is 42223151232.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135819 + ... + 254709.

Almost surely, 2^23215132224 is an apocalyptic number.

23215132224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23215132224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34426367520).

23215132224 is an abundant number, since it is smaller than the sum of its proper divisors (45637602816).

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

23215132224 is a wasteful number, since it uses less digits than its factorization.

23215132224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119025 (or 119009 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

Adding to 23215132224 its reverse (42223151232), we get a palindrome (65438283456).

The spelling of 23215132224 in words is "twenty-three billion, two hundred fifteen million, one hundred thirty-two thousand, two hundred twenty-four".