141423257 has 2 divisors, whose sum is σ = 141423258. Its totient is φ = 141423256.

The previous prime is 141423197. The next prime is 141423281. The reversal of 141423257 is 752324141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94692361 + 46730896 = 9731^2 + 6836^2 .

It is an emirp because it is prime and its reverse (752324141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141423257 is a prime.

It is not a weakly prime, because it can be changed into another prime (141423857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70711628 + 70711629.

It is an arithmetic number, because the mean of its divisors is an integer number (70711629).

Almost surely, 2^141423257 is an apocalyptic number.

It is an amenable number.

141423257 is a deficient number, since it is larger than the sum of its proper divisors (1).

141423257 is an equidigital number, since it uses as much as digits as its factorization.

141423257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 141423257 is about 11892.1510669853. The cubic root of 141423257 is about 521.0030651048.

Adding to 141423257 its reverse (752324141), we get a palindrome (893747398).

The spelling of 141423257 in words is "one hundred forty-one million, four hundred twenty-three thousand, two hundred fifty-seven".