23790821701 has 2 divisors, whose sum is σ = 23790821702. Its totient is φ = 23790821700.

The previous prime is 23790821699. The next prime is 23790821807. The reversal of 23790821701 is 10712809732.

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., 22967705601 + 823116100 = 151551^2 + 28690^2 .

It is a cyclic number.

It is not a de Polignac number, because 23790821701 - 2¹ = 23790821699 is a prime.

Together with 23790821699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23790825701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11895410850 + 11895410851.

It is an arithmetic number, because the mean of its divisors is an integer number (11895410851).

Almost surely, 2^23790821701 is an apocalyptic number.

It is an amenable number.

23790821701 is a deficient number, since it is larger than the sum of its proper divisors (1).

23790821701 is an equidigital number, since it uses as much as digits as its factorization.

23790821701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The spelling of 23790821701 in words is "twenty-three billion, seven hundred ninety million, eight hundred twenty-one thousand, seven hundred one".