2423432381 has 2 divisors, whose sum is σ = 2423432382. Its totient is φ = 2423432380.

The previous prime is 2423432317. The next prime is 2423432413. The reversal of 2423432381 is 1832343242.

It is an a-pointer prime, because the next prime (2423432413) can be obtained adding 2423432381 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2407472356 + 15960025 = 49066^2 + 3995^2 .

It is a cyclic number.

It is not a de Polignac number, because 2423432381 - 2⁶ = 2423432317 is a prime.

It is a super-2 number, since 2×2423432381² = 11746049010558658322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2423432581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211716190 + 1211716191.

It is an arithmetic number, because the mean of its divisors is an integer number (1211716191).

Almost surely, 2^2423432381 is an apocalyptic number.

It is an amenable number.

2423432381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423432381 is an equidigital number, since it uses as much as digits as its factorization.

2423432381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 32.

The square root of 2423432381 is about 49228.3696764376. The cubic root of 2423432381 is about 1343.2091311889.

The spelling of 2423432381 in words is "two billion, four hundred twenty-three million, four hundred thirty-two thousand, three hundred eighty-one".