23747320049 has 2 divisors, whose sum is σ = 23747320050. Its totient is φ = 23747320048.

The previous prime is 23747320013. The next prime is 23747320099. The reversal of 23747320049 is 94002374732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12326550625 + 11420769424 = 111025^2 + 106868^2 .

It is a cyclic number.

It is not a de Polignac number, because 23747320049 - 2¹⁶ = 23747254513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23747319988 and 23747320015.

It is not a weakly prime, because it can be changed into another prime (23747320099) 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, 11873660024 + 11873660025.

It is an arithmetic number, because the mean of its divisors is an integer number (11873660025).

Almost surely, 2^23747320049 is an apocalyptic number.

It is an amenable number.

23747320049 is a deficient number, since it is larger than the sum of its proper divisors (1).

23747320049 is an equidigital number, since it uses as much as digits as its factorization.

23747320049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 23747320049 in words is "twenty-three billion, seven hundred forty-seven million, three hundred twenty thousand, forty-nine".