23223400432231 has 4 divisors (see below), whose sum is σ = 23230650950712. Its totient is φ = 23216149913752.

The previous prime is 23223400432229. The next prime is 23223400432247. The reversal of 23223400432231 is 13223400432232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23223400432231 - 2¹ = 23223400432229 is a prime.

It is a super-2 number, since 2×23223400432231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23223400432193 and 23223400432202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223400432931) 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, 3625254436 + ... + 3625260841.

It is an arithmetic number, because the mean of its divisors is an integer number (5807662737678).

Almost surely, 2^{23223400432231} is an apocalyptic number.

23223400432231 is a deficient number, since it is larger than the sum of its proper divisors (7250518481).

23223400432231 is an equidigital number, since it uses as much as digits as its factorization.

23223400432231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7250518480.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 23223400432231 its reverse (13223400432232), we get a palindrome (36446800864463).

Subtracting from 23223400432231 its reverse (13223400432232), we obtain a palindrome (9999999999999).

The spelling of 23223400432231 in words is "twenty-three trillion, two hundred twenty-three billion, four hundred million, four hundred thirty-two thousand, two hundred thirty-one".