23321400043427 has 2 divisors, whose sum is σ = 23321400043428. Its totient is φ = 23321400043426.

The previous prime is 23321400043399. The next prime is 23321400043429. The reversal of 23321400043427 is 72434000412332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23321400043427 - 2¹² = 23321400039331 is a prime.

Together with 23321400043429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23321400043429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660700021713 + 11660700021714.

It is an arithmetic number, because the mean of its divisors is an integer number (11660700021714).

Almost surely, 2^{23321400043427} is an apocalyptic number.

23321400043427 is a deficient number, since it is larger than the sum of its proper divisors (1).

23321400043427 is an equidigital number, since it uses as much as digits as its factorization.

23321400043427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 35.

Adding to 23321400043427 its reverse (72434000412332), we get a palindrome (95755400455759).

The spelling of 23321400043427 in words is "twenty-three trillion, three hundred twenty-one billion, four hundred million, forty-three thousand, four hundred twenty-seven".