23211776149489 has 8 divisors (see below), whose sum is σ = 23215409173440. Its totient is φ = 23208143415600.

The previous prime is 23211776149439. The next prime is 23211776149517. The reversal of 23211776149489 is 98494167711232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23211776149489 - 2⁷ = 23211776149361 is a prime.

It is a super-2 number, since 2×23211776149489² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23211776149489.

It is not an unprimeable number, because it can be changed into a prime (23211776149439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201330342 + ... + 201445600.

It is an arithmetic number, because the mean of its divisors is an integer number (2901926146680).

Almost surely, 2^{23211776149489} is an apocalyptic number.

It is an amenable number.

23211776149489 is a deficient number, since it is larger than the sum of its proper divisors (3633023951).

23211776149489 is a wasteful number, since it uses less digits than its factorization.

23211776149489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145031.

The product of its digits is 36578304, while the sum is 64.

The spelling of 23211776149489 in words is "twenty-three trillion, two hundred eleven billion, seven hundred seventy-six million, one hundred forty-nine thousand, four hundred eighty-nine".