23780209611 has 8 divisors (see below), whose sum is σ = 33085509120. Its totient is φ = 15164191592.

The previous prime is 23780209573. The next prime is 23780209613. The reversal of 23780209611 is 11690208732.

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 23780209611 - 2⁷ = 23780209483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23780209611.

It is not an unprimeable number, because it can be changed into a prime (23780209613) 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, 172320291 + ... + 172320428.

It is an arithmetic number, because the mean of its divisors is an integer number (4135688640).

Almost surely, 2^23780209611 is an apocalyptic number.

23780209611 is a deficient number, since it is larger than the sum of its proper divisors (9305299509).

23780209611 is a wasteful number, since it uses less digits than its factorization.

23780209611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344640745.

The product of its (nonzero) digits is 36288, while the sum is 39.

The spelling of 23780209611 in words is "twenty-three billion, seven hundred eighty million, two hundred nine thousand, six hundred eleven".