2123244310431 has 64 divisors (see below), whose sum is σ = 3241411430400. Its totient is φ = 1227681847296.

The previous prime is 2123244310417. The next prime is 2123244310433. The reversal of 2123244310431 is 1340134423212.

It is not a de Polignac number, because 2123244310431 - 2⁶ = 2123244310367 is a prime.

It is a super-2 number, since 2×2123244310431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123244310433) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 246054825 + ... + 246063453.

It is an arithmetic number, because the mean of its divisors is an integer number (50647053600).

Almost surely, 2^{2123244310431} is an apocalyptic number.

2123244310431 is a deficient number, since it is larger than the sum of its proper divisors (1118167119969).

2123244310431 is a wasteful number, since it uses less digits than its factorization.

2123244310431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15568.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 2123244310431 its reverse (1340134423212), we get a palindrome (3463378733643).

The spelling of 2123244310431 in words is "two trillion, one hundred twenty-three billion, two hundred forty-four million, three hundred ten thousand, four hundred thirty-one".