1423288547 has 2 divisors, whose sum is σ = 1423288548. Its totient is φ = 1423288546.

The previous prime is 1423288543. The next prime is 1423288561. The reversal of 1423288547 is 7458823241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1423288547 - 2² = 1423288543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1423288498 and 1423288507.

It is not a weakly prime, because it can be changed into another prime (1423288543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711644273 + 711644274.

It is an arithmetic number, because the mean of its divisors is an integer number (711644274).

Almost surely, 2^1423288547 is an apocalyptic number.

1423288547 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423288547 is an equidigital number, since it uses as much as digits as its factorization.

1423288547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 430080, while the sum is 44.

The square root of 1423288547 is about 37726.4966170992. The cubic root of 1423288547 is about 1124.8578709664.

The spelling of 1423288547 in words is "one billion, four hundred twenty-three million, two hundred eighty-eight thousand, five hundred forty-seven".