23502121222 has 4 divisors (see below), whose sum is σ = 35253181836. Its totient is φ = 11751060610.

The previous prime is 23502121213. The next prime is 23502121241. The reversal of 23502121222 is 22212120532.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 23502121193 and 23502121202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5875530304 + ... + 5875530307.

It is an arithmetic number, because the mean of its divisors is an integer number (8813295459).

Almost surely, 2^23502121222 is an apocalyptic number.

23502121222 is a deficient number, since it is larger than the sum of its proper divisors (11751060614).

23502121222 is a wasteful number, since it uses less digits than its factorization.

23502121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11751060613.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 23502121222 its reverse (22212120532), we get a palindrome (45714241754).

The spelling of 23502121222 in words is "twenty-three billion, five hundred two million, one hundred twenty-one thousand, two hundred twenty-two".