22070123 has 4 divisors (see below), whose sum is σ = 22080960. Its totient is φ = 22059288.

The previous prime is 22070117. The next prime is 22070159. The reversal of 22070123 is 32107022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22070123 - 2¹² = 22066027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22070183) 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, 1340 + ... + 6777.

It is an arithmetic number, because the mean of its divisors is an integer number (5520240).

Almost surely, 2^22070123 is an apocalyptic number.

22070123 is a deficient number, since it is larger than the sum of its proper divisors (10837).

22070123 is an equidigital number, since it uses as much as digits as its factorization.

22070123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10836.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 22070123 is about 4697.8849496343. The cubic root of 22070123 is about 280.5013255064.

Adding to 22070123 its reverse (32107022), we get a palindrome (54177145).

The spelling of 22070123 in words is "twenty-two million, seventy thousand, one hundred twenty-three".