1223234140420 has 24 divisors (see below), whose sum is σ = 2651655944448. Its totient is φ = 473509989600.

The previous prime is 1223234140369. The next prime is 1223234140423. The reversal of 1223234140420 is 240414323221.

It is not an unprimeable number, because it can be changed into a prime (1223234140423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986478526 + ... + 986479765.

It is an arithmetic number, because the mean of its divisors is an integer number (110485664352).

Almost surely, 2^{1223234140420} is an apocalyptic number.

1223234140420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1223234140420 is an abundant number, since it is smaller than the sum of its proper divisors (1428421804028).

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

1223234140420 is a wasteful number, since it uses less digits than its factorization.

1223234140420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972958331 (or 1972958329 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1223234140420 its reverse (240414323221), we get a palindrome (1463648463641).

The spelling of 1223234140420 in words is "one trillion, two hundred twenty-three billion, two hundred thirty-four million, one hundred forty thousand, four hundred twenty".