2123403431419 has 2 divisors, whose sum is σ = 2123403431420. Its totient is φ = 2123403431418.

The previous prime is 2123403431399. The next prime is 2123403431431. The reversal of 2123403431419 is 9141343043212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2123403431419 - 2¹⁵ = 2123403398651 is a prime.

It is a super-2 number, since 2×2123403431419² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2123403431119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061701715709 + 1061701715710.

It is an arithmetic number, because the mean of its divisors is an integer number (1061701715710).

Almost surely, 2^{2123403431419} is an apocalyptic number.

2123403431419 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123403431419 is an equidigital number, since it uses as much as digits as its factorization.

2123403431419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 2123403431419 in words is "two trillion, one hundred twenty-three billion, four hundred three million, four hundred thirty-one thousand, four hundred nineteen".