1232420243054 has 128 divisors (see below), whose sum is σ = 2503959478272. Its totient is φ = 439327203840.

The previous prime is 1232420243017. The next prime is 1232420243057. The reversal of 1232420243054 is 4503420242321.

It is a self number, because there is not a number n which added to its sum of digits gives 1232420243054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232420243057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 440620784 + ... + 440623580.

It is an arithmetic number, because the mean of its divisors is an integer number (19562183424).

Almost surely, 2^{1232420243054} is an apocalyptic number.

1232420243054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1232420243054 is an abundant number, since it is smaller than the sum of its proper divisors (1271539235218).

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

1232420243054 is a wasteful number, since it uses less digits than its factorization.

1232420243054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 1232420243054 its reverse (4503420242321), we get a palindrome (5735840485375).

The spelling of 1232420243054 in words is "one trillion, two hundred thirty-two billion, four hundred twenty million, two hundred forty-three thousand, fifty-four".