23203241381 has 2 divisors, whose sum is σ = 23203241382. Its totient is φ = 23203241380.

The previous prime is 23203241377. The next prime is 23203241419. The reversal of 23203241381 is 18314230232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22924685281 + 278556100 = 151409^2 + 16690^2 .

It is a cyclic number.

It is not a de Polignac number, because 23203241381 - 2² = 23203241377 is a prime.

It is a super-2 number, since 2×23203241381² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23203241081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11601620690 + 11601620691.

It is an arithmetic number, because the mean of its divisors is an integer number (11601620691).

Almost surely, 2^23203241381 is an apocalyptic number.

It is an amenable number.

23203241381 is a deficient number, since it is larger than the sum of its proper divisors (1).

23203241381 is an equidigital number, since it uses as much as digits as its factorization.

23203241381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 23203241381 in words is "twenty-three billion, two hundred three million, two hundred forty-one thousand, three hundred eighty-one".