23243262666 has 64 divisors (see below), whose sum is σ = 53099988480. Its totient is φ = 6723587520.

The previous prime is 23243262661. The next prime is 23243262671. The reversal of 23243262666 is 66626234232.

It is an interprime number because it is at equal distance from previous prime (23243262661) and next prime (23243262671).

It is not an unprimeable number, because it can be changed into a prime (23243262661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134281 + ... + 254003.

It is an arithmetic number, because the mean of its divisors is an integer number (829687320).

Almost surely, 2^23243262666 is an apocalyptic number.

23243262666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23243262666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26549994240).

23243262666 is an abundant number, since it is smaller than the sum of its proper divisors (29856725814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23243262666 is a wasteful number, since it uses less digits than its factorization.

23243262666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119891.

The product of its digits is 746496, while the sum is 42.

Adding to 23243262666 its reverse (66626234232), we get a palindrome (89869496898).

The spelling of 23243262666 in words is "twenty-three billion, two hundred forty-three million, two hundred sixty-two thousand, six hundred sixty-six".