2123122003431 has 16 divisors (see below), whose sum is σ = 3325729572480. Its totient is φ = 1187760561120.

The previous prime is 2123122003427. The next prime is 2123122003447. The reversal of 2123122003431 is 1343002213212.

It is not a de Polignac number, because 2123122003431 - 2² = 2123122003427 is a prime.

It is a super-2 number, since 2×2123122003431² (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 (2123122013431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2474500741 + ... + 2474501598.

It is an arithmetic number, because the mean of its divisors is an integer number (207858098280).

Almost surely, 2^{2123122003431} is an apocalyptic number.

2123122003431 is a deficient number, since it is larger than the sum of its proper divisors (1202607569049).

2123122003431 is a wasteful number, since it uses less digits than its factorization.

2123122003431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949002366.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2123122003431 its reverse (1343002213212), we get a palindrome (3466124216643).

The spelling of 2123122003431 in words is "two trillion, one hundred twenty-three billion, one hundred twenty-two million, three thousand, four hundred thirty-one".