23407784669 has 2 divisors, whose sum is σ = 23407784670. Its totient is φ = 23407784668.

The previous prime is 23407784651. The next prime is 23407784671. The reversal of 23407784669 is 96648770432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19807184644 + 3600600025 = 140738^2 + 60005^2 .

It is a cyclic number.

It is not a de Polignac number, because 23407784669 - 2¹⁶ = 23407719133 is a prime.

It is a super-2 number, since 2×23407784669² (a number of 22 digits) contains 22 as substring.

Together with 23407784671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23407784629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11703892334 + 11703892335.

It is an arithmetic number, because the mean of its divisors is an integer number (11703892335).

Almost surely, 2^23407784669 is an apocalyptic number.

It is an amenable number.

23407784669 is a deficient number, since it is larger than the sum of its proper divisors (1).

23407784669 is an equidigital number, since it uses as much as digits as its factorization.

23407784669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 23407784669 in words is "twenty-three billion, four hundred seven million, seven hundred eighty-four thousand, six hundred sixty-nine".