1423839253 has 2 divisors, whose sum is σ = 1423839254. Its totient is φ = 1423839252.

The previous prime is 1423839227. The next prime is 1423839299. The reversal of 1423839253 is 3529383241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1086823089 + 337016164 = 32967^2 + 18358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423839253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423839203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711919626 + 711919627.

It is an arithmetic number, because the mean of its divisors is an integer number (711919627).

Almost surely, 2^1423839253 is an apocalyptic number.

It is an amenable number.

1423839253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423839253 is an equidigital number, since it uses as much as digits as its factorization.

1423839253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 40.

The square root of 1423839253 is about 37733.7945746250. The cubic root of 1423839253 is about 1125.0029308236.

The spelling of 1423839253 in words is "one billion, four hundred twenty-three million, eight hundred thirty-nine thousand, two hundred fifty-three".