123022046420 has 48 divisors (see below), whose sum is σ = 317964678528. Its totient is φ = 38934449280.

The previous prime is 123022046419. The next prime is 123022046423. The reversal of 123022046420 is 24640220321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 123022046420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123022046423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33795446 + ... + 33799085.

It is an arithmetic number, because the mean of its divisors is an integer number (6624264136).

Almost surely, 2^123022046420 is an apocalyptic number.

123022046420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123022046420 is an abundant number, since it is smaller than the sum of its proper divisors (194942632108).

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

123022046420 is a wasteful number, since it uses less digits than its factorization.

123022046420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67594560 (or 67594558 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 123022046420 its reverse (24640220321), we get a palindrome (147662266741).

The spelling of 123022046420 in words is "one hundred twenty-three billion, twenty-two million, forty-six thousand, four hundred twenty".