23280645261 has 8 divisors (see below), whose sum is σ = 32674589920. Its totient is φ = 14703565392.

The previous prime is 23280645253. The next prime is 23280645263. The reversal of 23280645261 is 16254608232.

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

It is not a de Polignac number, because 23280645261 - 2³ = 23280645253 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 (23280645263) 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, 204216130 + ... + 204216243.

It is an arithmetic number, because the mean of its divisors is an integer number (4084323740).

Almost surely, 2^23280645261 is an apocalyptic number.

It is an amenable number.

23280645261 is a deficient number, since it is larger than the sum of its proper divisors (9393944659).

23280645261 is a wasteful number, since it uses less digits than its factorization.

23280645261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408432395.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 23280645261 in words is "twenty-three billion, two hundred eighty million, six hundred forty-five thousand, two hundred sixty-one".