2129474323 has 2 divisors, whose sum is σ = 2129474324. Its totient is φ = 2129474322.

The previous prime is 2129474317. The next prime is 2129474363. The reversal of 2129474323 is 3234749212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2129474323 - 2²¹ = 2127377171 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (2129474363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064737161 + 1064737162.

It is an arithmetic number, because the mean of its divisors is an integer number (1064737162).

Almost surely, 2^2129474323 is an apocalyptic number.

2129474323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129474323 is an equidigital number, since it uses as much as digits as its factorization.

2129474323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 2129474323 is about 46146.2276139665. The cubic root of 2129474323 is about 1286.5424956534.

The spelling of 2129474323 in words is "two billion, one hundred twenty-nine million, four hundred seventy-four thousand, three hundred twenty-three".