23111621461 has 8 divisors (see below), whose sum is σ = 24230775744. Its totient is φ = 22001992320.

The previous prime is 23111621459. The next prime is 23111621471. The reversal of 23111621461 is 16412611132.

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 23111621461 - 2¹ = 23111621459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23111621471) 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 7 ways as a sum of consecutive naturals, for example, 2376316 + ... + 2386021.

It is an arithmetic number, because the mean of its divisors is an integer number (3028846968).

Almost surely, 2^23111621461 is an apocalyptic number.

It is an amenable number.

23111621461 is a deficient number, since it is larger than the sum of its proper divisors (1119154283).

23111621461 is a wasteful number, since it uses less digits than its factorization.

23111621461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4762571.

The product of its digits is 1728, while the sum is 28.

The spelling of 23111621461 in words is "twenty-three billion, one hundred eleven million, six hundred twenty-one thousand, four hundred sixty-one".