23119105536 has 120 divisors (see below), whose sum is σ = 69194909784. Its totient is φ = 7706327040.

The previous prime is 23119105487. The next prime is 23119105547. The reversal of 23119105536 is 63550191132.

It is a happy number.

23119105536 is a `hidden beast` number, since 2 + 3 + 1 + 19 + 105 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 23119105536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31506 + ... + 217326.

Almost surely, 2^23119105536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23119105536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34597454892).

23119105536 is an abundant number, since it is smaller than the sum of its proper divisors (46075804248).

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

23119105536 is an frugal number, since it uses more digits than its factorization.

23119105536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185854 (or 185826 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

Adding to 23119105536 its reverse (63550191132), we get a palindrome (86669296668).

The spelling of 23119105536 in words is "twenty-three billion, one hundred nineteen million, one hundred five thousand, five hundred thirty-six".