23154422122 has 16 divisors (see below), whose sum is σ = 37419054120. Its totient is φ = 10682154432.

The previous prime is 23154422087. The next prime is 23154422153. The reversal of 23154422122 is 22122445132.

It can be written as a sum of positive squares in 4 ways, for example, as 5741244441 + 17413177681 = 75771^2 + 131959^2 .

It is a super-2 number, since 2×23154422122² (a number of 22 digits) contains 22 as substring.

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, 124273 + ... + 248500.

Almost surely, 2^23154422122 is an apocalyptic number.

23154422122 is a deficient number, since it is larger than the sum of its proper divisors (14264631998).

23154422122 is a wasteful number, since it uses less digits than its factorization.

23154422122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375177.

The product of its digits is 7680, while the sum is 28.

Adding to 23154422122 its reverse (22122445132), we get a palindrome (45276867254).

The spelling of 23154422122 in words is "twenty-three billion, one hundred fifty-four million, four hundred twenty-two thousand, one hundred twenty-two".