22130030423 has 4 divisors (see below), whose sum is σ = 22257949848. Its totient is φ = 22002111000.

The previous prime is 22130030407. The next prime is 22130030431. The reversal of 22130030423 is 32403003122.

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

It is a cyclic number.

It is not a de Polignac number, because 22130030423 - 2⁴ = 22130030407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22130030395 and 22130030404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130030723) 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, 63959453 + ... + 63959798.

It is an arithmetic number, because the mean of its divisors is an integer number (5564487462).

Almost surely, 2^22130030423 is an apocalyptic number.

22130030423 is a deficient number, since it is larger than the sum of its proper divisors (127919425).

22130030423 is a wasteful number, since it uses less digits than its factorization.

22130030423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127919424.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22130030423 its reverse (32403003122), we get a palindrome (54533033545).

The spelling of 22130030423 in words is "twenty-two billion, one hundred thirty million, thirty thousand, four hundred twenty-three".