23466642261 has 4 divisors (see below), whose sum is σ = 31288856352. Its totient is φ = 15644428172.

The previous prime is 23466642253. The next prime is 23466642271. The reversal of 23466642261 is 16224666432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23466642261 - 2³ = 23466642253 is a prime.

It is a super-3 number, since 3×23466642261³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23466642271) 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 in 3 ways as a sum of consecutive naturals, for example, 3911107041 + ... + 3911107046.

It is an arithmetic number, because the mean of its divisors is an integer number (7822214088).

Almost surely, 2^23466642261 is an apocalyptic number.

It is an amenable number.

23466642261 is a deficient number, since it is larger than the sum of its proper divisors (7822214091).

23466642261 is an equidigital number, since it uses as much as digits as its factorization.

23466642261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822214090.

The product of its digits is 497664, while the sum is 42.

The spelling of 23466642261 in words is "twenty-three billion, four hundred sixty-six million, six hundred forty-two thousand, two hundred sixty-one".