23681983049 has 2 divisors, whose sum is σ = 23681983050. Its totient is φ = 23681983048.

The previous prime is 23681983027. The next prime is 23681983123. The reversal of 23681983049 is 94038918632.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21655182649 + 2026800400 = 147157^2 + 45020^2 .

It is a cyclic number.

It is not a de Polignac number, because 23681983049 - 2¹² = 23681978953 is a prime.

It is a super-2 number, since 2×23681983049² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23681985049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11840991524 + 11840991525.

It is an arithmetic number, because the mean of its divisors is an integer number (11840991525).

Almost surely, 2^23681983049 is an apocalyptic number.

It is an amenable number.

23681983049 is a deficient number, since it is larger than the sum of its proper divisors (1).

23681983049 is an equidigital number, since it uses as much as digits as its factorization.

23681983049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The spelling of 23681983049 in words is "twenty-three billion, six hundred eighty-one million, nine hundred eighty-three thousand, forty-nine".