23321400043399 has 2 divisors, whose sum is σ = 23321400043400. Its totient is φ = 23321400043398.

The previous prime is 23321400043373. The next prime is 23321400043427. The reversal of 23321400043399 is 99334000412332.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23321400043399 - 2⁹ = 23321400042887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23321400043369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11660700021699 + 11660700021700.

It is an arithmetic number, because the mean of its divisors is an integer number (11660700021700).

Almost surely, 2^{23321400043399} is an apocalyptic number.

23321400043399 is a deficient number, since it is larger than the sum of its proper divisors (1).

23321400043399 is an equidigital number, since it uses as much as digits as its factorization.

23321400043399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 43.

The spelling of 23321400043399 in words is "twenty-three trillion, three hundred twenty-one billion, four hundred million, forty-three thousand, three hundred ninety-nine".