23132231131021 has 8 divisors (see below), whose sum is σ = 23938542673920. Its totient is φ = 22326496148208.

The previous prime is 23132231130923. The next prime is 23132231131027. The reversal of 23132231131021 is 12013113223132.

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

It is a cyclic number.

It is not a de Polignac number, because 23132231131021 - 2⁹ = 23132231130509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23132231131027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144058381 + ... + 144218866.

It is an arithmetic number, because the mean of its divisors is an integer number (2992317834240).

Almost surely, 2^{23132231131021} is an apocalyptic number.

It is an amenable number.

23132231131021 is a deficient number, since it is larger than the sum of its proper divisors (806311542899).

23132231131021 is a wasteful number, since it uses less digits than its factorization.

23132231131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288280043.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23132231131021 its reverse (12013113223132), we get a palindrome (35145344354153).

The spelling of 23132231131021 in words is "twenty-three trillion, one hundred thirty-two billion, two hundred thirty-one million, one hundred thirty-one thousand, twenty-one".