2123403431032 has 128 divisors (see below), whose sum is σ = 4501311897600. Its totient is φ = 932289523200.

The previous prime is 2123403431027. The next prime is 2123403431081. The reversal of 2123403431032 is 2301343043212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 520567569 + ... + 520571647.

It is an arithmetic number, because the mean of its divisors is an integer number (35166499200).

Almost surely, 2^{2123403431032} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2123403431032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2250655948800).

2123403431032 is an abundant number, since it is smaller than the sum of its proper divisors (2377908466568).

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

2123403431032 is a wasteful number, since it uses less digits than its factorization.

2123403431032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837 (or 6833 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 2123403431032 its reverse (2301343043212), we get a palindrome (4424746474244).

The spelling of 2123403431032 in words is "two trillion, one hundred twenty-three billion, four hundred three million, four hundred thirty-one thousand, thirty-two".