23390514661 has 8 divisors (see below), whose sum is σ = 25415840000. Its totient is φ = 21444613920.

The previous prime is 23390514647. The next prime is 23390514689. The reversal of 23390514661 is 16641509332.

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 23390514661 - 2¹⁹ = 23389990373 is a prime.

It is a super-4 number, since 4×23390514661⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23390514691) 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, 19855536 + ... + 19856713.

It is an arithmetic number, because the mean of its divisors is an integer number (3176980000).

Almost surely, 2^23390514661 is an apocalyptic number.

It is an amenable number.

23390514661 is a deficient number, since it is larger than the sum of its proper divisors (2025325339).

23390514661 is a wasteful number, since it uses less digits than its factorization.

23390514661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39712299.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 23390514661 in words is "twenty-three billion, three hundred ninety million, five hundred fourteen thousand, six hundred sixty-one".