22642016123 has 4 divisors (see below), whose sum is σ = 22651000008. Its totient is φ = 22633032240.

The previous prime is 22642016099. The next prime is 22642016183. The reversal of 22642016123 is 32161024622.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32161024622 = 2 ⋅16080512311.

It is a cyclic number.

It is not a de Polignac number, because 22642016123 - 2²² = 22637821819 is a prime.

It is a super-2 number, since 2×22642016123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22642016183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4488161 + ... + 4493202.

It is an arithmetic number, because the mean of its divisors is an integer number (5662750002).

Almost surely, 2^22642016123 is an apocalyptic number.

22642016123 is a deficient number, since it is larger than the sum of its proper divisors (8983885).

22642016123 is an equidigital number, since it uses as much as digits as its factorization.

22642016123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8983884.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 22642016123 in words is "twenty-two billion, six hundred forty-two million, sixteen thousand, one hundred twenty-three".