21230223230132 has 48 divisors (see below), whose sum is σ = 46508399804160. Its totient is φ = 8268159954432.

The previous prime is 21230223230107. The next prime is 21230223230143. The reversal of 21230223230132 is 23103232203212.

It is a congruent number.

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, 768974288 + ... + 769001895.

It is an arithmetic number, because the mean of its divisors is an integer number (968924995920).

Almost surely, 2^{21230223230132} is an apocalyptic number.

It is an amenable number.

21230223230132 is an abundant number, since it is smaller than the sum of its proper divisors (25278176574028).

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

21230223230132 is a wasteful number, since it uses less digits than its factorization.

21230223230132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537976240 (or 1537976238 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21230223230132 its reverse (23103232203212), we get a palindrome (44333455433344).

The spelling of 21230223230132 in words is "twenty-one trillion, two hundred thirty billion, two hundred twenty-three million, two hundred thirty thousand, one hundred thirty-two".