23703143993 has 2 divisors, whose sum is σ = 23703143994. Its totient is φ = 23703143992.

The previous prime is 23703143969. The next prime is 23703144037. The reversal of 23703143993 is 39934130732.

It is an a-pointer prime, because the next prime (23703144037) can be obtained adding 23703143993 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21452875024 + 2250268969 = 146468^2 + 47437^2 .

It is a cyclic number.

It is not a de Polignac number, because 23703143993 - 2¹² = 23703139897 is a prime.

It is not a weakly prime, because it can be changed into another prime (23703143903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11851571996 + 11851571997.

It is an arithmetic number, because the mean of its divisors is an integer number (11851571997).

Almost surely, 2^23703143993 is an apocalyptic number.

It is an amenable number.

23703143993 is a deficient number, since it is larger than the sum of its proper divisors (1).

23703143993 is an equidigital number, since it uses as much as digits as its factorization.

23703143993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 44.

The spelling of 23703143993 in words is "twenty-three billion, seven hundred three million, one hundred forty-three thousand, nine hundred ninety-three".