23400401331223 has 4 divisors (see below), whose sum is σ = 26743315807120. Its totient is φ = 20057486855328.

The previous prime is 23400401331191. The next prime is 23400401331247. The reversal of 23400401331223 is 32213310400432.

It is a happy number.

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 23400401331223 - 2⁵ = 23400401331191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23400401331191 and 23400401331200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23400401331023) 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, 1671457237938 + ... + 1671457237951.

It is an arithmetic number, because the mean of its divisors is an integer number (6685828951780).

Almost surely, 2^{23400401331223} is an apocalyptic number.

23400401331223 is a deficient number, since it is larger than the sum of its proper divisors (3342914475897).

23400401331223 is an equidigital number, since it uses as much as digits as its factorization.

23400401331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342914475896.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 23400401331223 its reverse (32213310400432), we get a palindrome (55613711731655).

The spelling of 23400401331223 in words is "twenty-three trillion, four hundred billion, four hundred one million, three hundred thirty-one thousand, two hundred twenty-three".