23112209969 has 2 divisors, whose sum is σ = 23112209970. Its totient is φ = 23112209968.

The previous prime is 23112209959. The next prime is 23112210013. The reversal of 23112209969 is 96990221132.

It is a happy number.

It is an a-pointer prime, because the next prime (23112210013) can be obtained adding 23112209969 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., 19417029025 + 3695180944 = 139345^2 + 60788^2 .

It is a cyclic number.

It is not a de Polignac number, because 23112209969 - 2⁸ = 23112209713 is a prime.

It is a super-2 number, since 2×23112209969² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23112209959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11556104984 + 11556104985.

It is an arithmetic number, because the mean of its divisors is an integer number (11556104985).

Almost surely, 2^23112209969 is an apocalyptic number.

It is an amenable number.

23112209969 is a deficient number, since it is larger than the sum of its proper divisors (1).

23112209969 is an equidigital number, since it uses as much as digits as its factorization.

23112209969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 23112209969 in words is "twenty-three billion, one hundred twelve million, two hundred nine thousand, nine hundred sixty-nine".