23011217736 has 32 divisors (see below), whose sum is σ = 61953279360. Its totient is φ = 7080374592.

The previous prime is 23011217729. The next prime is 23011217791. The reversal of 23011217736 is 63771211032.

It is a super-2 number, since 2×23011217736² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23011217697 and 23011217706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36876640 + ... + 36877263.

It is an arithmetic number, because the mean of its divisors is an integer number (1936039980).

Almost surely, 2^23011217736 is an apocalyptic number.

23011217736 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

23011217736 is an abundant number, since it is smaller than the sum of its proper divisors (38942061624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23011217736 is a wasteful number, since it uses less digits than its factorization.

23011217736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73753925 (or 73753921 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

Adding to 23011217736 its reverse (63771211032), we get a palindrome (86782428768).

The spelling of 23011217736 in words is "twenty-three billion, eleven million, two hundred seventeen thousand, seven hundred thirty-six".