123422120530 has 8 divisors (see below), whose sum is σ = 222159816972. Its totient is φ = 49368848208.

The previous prime is 123422120489. The next prime is 123422120531. The reversal of 123422120530 is 35021224321.

It can be written as a sum of positive squares in 2 ways, for example, as 114408327049 + 9013793481 = 338243^2 + 94941^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×123422120530² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123422120495 and 123422120504.

It is not an unprimeable number, because it can be changed into a prime (123422120531) 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, 6171106017 + ... + 6171106036.

Almost surely, 2^123422120530 is an apocalyptic number.

123422120530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123422120530 is a deficient number, since it is larger than the sum of its proper divisors (98737696442).

123422120530 is a wasteful number, since it uses less digits than its factorization.

123422120530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12342212060.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 123422120530 its reverse (35021224321), we get a palindrome (158443344851).

The spelling of 123422120530 in words is "one hundred twenty-three billion, four hundred twenty-two million, one hundred twenty thousand, five hundred thirty".