1423551234140 has 48 divisors (see below), whose sum is σ = 3418050992832. Its totient is φ = 487856418816.

The previous prime is 1423551234067. The next prime is 1423551234151. The reversal of 1423551234140 is 414321553241.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1423551234140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1959557 + ... + 2585916.

It is an arithmetic number, because the mean of its divisors is an integer number (71209395684).

Almost surely, 2^{1423551234140} is an apocalyptic number.

1423551234140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423551234140 is an abundant number, since it is smaller than the sum of its proper divisors (1994499758692).

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

1423551234140 is a wasteful number, since it uses less digits than its factorization.

1423551234140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4547726 (or 4547724 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 1423551234140 its reverse (414321553241), we get a palindrome (1837872787381).

The spelling of 1423551234140 in words is "one trillion, four hundred twenty-three billion, five hundred fifty-one million, two hundred thirty-four thousand, one hundred forty".