22023123030 has 24 divisors (see below), whose sum is σ = 57260120112. Its totient is φ = 5872832784.

The previous prime is 22023123029. The next prime is 22023123037. The reversal of 22023123030 is 3032132022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22023122994 and 22023123012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023123037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122350594 + ... + 122350773.

It is an arithmetic number, because the mean of its divisors is an integer number (2385838338).

Almost surely, 2^22023123030 is an apocalyptic number.

22023123030 is an abundant number, since it is smaller than the sum of its proper divisors (35236997082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22023123030 is a wasteful number, since it uses less digits than its factorization.

22023123030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244701380 (or 244701377 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 22023123030 its reverse (3032132022), we get a palindrome (25055255052).

The spelling of 22023123030 in words is "twenty-two billion, twenty-three million, one hundred twenty-three thousand, thirty".