123414433030420 has 72 divisors (see below), whose sum is σ = 301580808023880. Its totient is φ = 42299908842240.

The previous prime is 123414433030373. The next prime is 123414433030423. The reversal of 123414433030420 is 24030334414321.

It can be written as a sum of positive squares in 4 ways, for example, as 15555656612356 + 107858776418064 = 3944066^2 + 10385508^2 .

It is a super-2 number, since 2×123414433030420² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123414433030423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17206171 + ... + 23299810.

It is an arithmetic number, because the mean of its divisors is an integer number (4188622333665).

Almost surely, 2^{123414433030420} is an apocalyptic number.

123414433030420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123414433030420 is an abundant number, since it is smaller than the sum of its proper divisors (178166374993460).

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

123414433030420 is a wasteful number, since it uses less digits than its factorization.

123414433030420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40509113 (or 40509104 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 123414433030420 its reverse (24030334414321), we get a palindrome (147444767444741).

The spelling of 123414433030420 in words is "one hundred twenty-three trillion, four hundred fourteen billion, four hundred thirty-three million, thirty thousand, four hundred twenty".