23234331220381 has 2 divisors, whose sum is σ = 23234331220382. Its totient is φ = 23234331220380.

The previous prime is 23234331220337. The next prime is 23234331220427. The reversal of 23234331220381 is 18302213343232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14311959103225 + 8922372117156 = 3783115^2 + 2987034^2 .

It is a cyclic number.

It is not a de Polignac number, because 23234331220381 - 2⁷ = 23234331220253 is a prime.

It is a super-2 number, since 2×23234331220381² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23234331220381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23234331220981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11617165610190 + 11617165610191.

It is an arithmetic number, because the mean of its divisors is an integer number (11617165610191).

Almost surely, 2^{23234331220381} is an apocalyptic number.

It is an amenable number.

23234331220381 is a deficient number, since it is larger than the sum of its proper divisors (1).

23234331220381 is an equidigital number, since it uses as much as digits as its factorization.

23234331220381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 23234331220381 in words is "twenty-three trillion, two hundred thirty-four billion, three hundred thirty-one million, two hundred twenty thousand, three hundred eighty-one".