23132224453421 has 4 divisors (see below), whose sum is σ = 23154488385600. Its totient is φ = 23109960521244.

The previous prime is 23132224453367. The next prime is 23132224453439. The reversal of 23132224453421 is 12435442223132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23132224453421 - 2¹⁸ = 23132224191277 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 (23132224453441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11131964531 + ... + 11131966608.

It is an arithmetic number, because the mean of its divisors is an integer number (5788622096400).

Almost surely, 2^{23132224453421} is an apocalyptic number.

It is an amenable number.

23132224453421 is a deficient number, since it is larger than the sum of its proper divisors (22263932179).

23132224453421 is a wasteful number, since it uses less digits than its factorization.

23132224453421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22263932178.

The product of its digits is 276480, while the sum is 38.

Adding to 23132224453421 its reverse (12435442223132), we get a palindrome (35567666676553).

The spelling of 23132224453421 in words is "twenty-three trillion, one hundred thirty-two billion, two hundred twenty-four million, four hundred fifty-three thousand, four hundred twenty-one".