23205569955 has 32 divisors (see below), whose sum is σ = 37774667520. Its totient is φ = 12161235840.

The previous prime is 23205569927. The next prime is 23205569969. The reversal of 23205569955 is 55996550232.

It is not a de Polignac number, because 23205569955 - 2¹⁶ = 23205504419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23205569898 and 23205569907.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2811064 + ... + 2819306.

It is an arithmetic number, because the mean of its divisors is an integer number (1180458360).

Almost surely, 2^23205569955 is an apocalyptic number.

23205569955 is a deficient number, since it is larger than the sum of its proper divisors (14569097565).

23205569955 is a wasteful number, since it uses less digits than its factorization.

23205569955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11491.

The product of its (nonzero) digits is 3645000, while the sum is 51.

The spelling of 23205569955 in words is "twenty-three billion, two hundred five million, five hundred sixty-nine thousand, nine hundred fifty-five".