23044201381 has 2 divisors, whose sum is σ = 23044201382. Its totient is φ = 23044201380.

The previous prime is 23044201339. The next prime is 23044201417. The reversal of 23044201381 is 18310244032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20570730625 + 2473470756 = 143425^2 + 49734^2 .

It is a cyclic number.

It is not a de Polignac number, because 23044201381 - 2¹¹ = 23044199333 is a prime.

It is a super-2 number, since 2×23044201381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23044202381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11522100690 + 11522100691.

It is an arithmetic number, because the mean of its divisors is an integer number (11522100691).

Almost surely, 2^23044201381 is an apocalyptic number.

It is an amenable number.

23044201381 is a deficient number, since it is larger than the sum of its proper divisors (1).

23044201381 is an equidigital number, since it uses as much as digits as its factorization.

23044201381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 23044201381 in words is "twenty-three billion, forty-four million, two hundred one thousand, three hundred eighty-one".