1424230657 has 4 divisors (see below), whose sum is σ = 1443740740. Its totient is φ = 1404720576.

The previous prime is 1424230651. The next prime is 1424230663. The reversal of 1424230657 is 7560324241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7560324241 = 359 ⋅21059399.

It is an interprime number because it is at equal distance from previous prime (1424230651) and next prime (1424230663).

It can be written as a sum of positive squares in 2 ways, for example, as 1150295056 + 273935601 = 33916^2 + 16551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1424230657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1424230651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9754932 + ... + 9755077.

It is an arithmetic number, because the mean of its divisors is an integer number (360935185).

Almost surely, 2^1424230657 is an apocalyptic number.

It is an amenable number.

1424230657 is a deficient number, since it is larger than the sum of its proper divisors (19510083).

1424230657 is an equidigital number, since it uses as much as digits as its factorization.

1424230657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19510082.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 1424230657 is about 37738.9806036146. The cubic root of 1424230657 is about 1125.1060066693.

Adding to 1424230657 its reverse (7560324241), we get a palindrome (8984554898).

The spelling of 1424230657 in words is "one billion, four hundred twenty-four million, two hundred thirty thousand, six hundred fifty-seven".