23024445421 has 4 divisors (see below), whose sum is σ = 23176925344. Its totient is φ = 22871965500.

The previous prime is 23024445407. The next prime is 23024445439. The reversal of 23024445421 is 12454442032.

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 23024445421 - 2⁷ = 23024445293 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 (23024445491) 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, 76239735 + ... + 76240036.

It is an arithmetic number, because the mean of its divisors is an integer number (5794231336).

Almost surely, 2^23024445421 is an apocalyptic number.

It is an amenable number.

23024445421 is a deficient number, since it is larger than the sum of its proper divisors (152479923).

23024445421 is a wasteful number, since it uses less digits than its factorization.

23024445421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152479922.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 23024445421 its reverse (12454442032), we get a palindrome (35478887453).

The spelling of 23024445421 in words is "twenty-three billion, twenty-four million, four hundred forty-five thousand, four hundred twenty-one".