23312232303421 has 4 divisors (see below), whose sum is σ = 23333600070144. Its totient is φ = 23290864536700.

The previous prime is 23312232303389. The next prime is 23312232303509. The reversal of 23312232303421 is 12430323221332.

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 23312232303421 - 2⁵ = 23312232303389 is a prime.

It is a super-4 number, since 4×23312232303421⁴ (a number of 55 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23312232303221) 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, 10683881725 + ... + 10683883906.

It is an arithmetic number, because the mean of its divisors is an integer number (5833400017536).

Almost surely, 2^{23312232303421} is an apocalyptic number.

It is an amenable number.

23312232303421 is a deficient number, since it is larger than the sum of its proper divisors (21367766723).

23312232303421 is a wasteful number, since it uses less digits than its factorization.

23312232303421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21367766722.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 23312232303421 its reverse (12430323221332), we get a palindrome (35742555524753).

The spelling of 23312232303421 in words is "twenty-three trillion, three hundred twelve billion, two hundred thirty-two million, three hundred three thousand, four hundred twenty-one".