1423502651 has 2 divisors, whose sum is σ = 1423502652. Its totient is φ = 1423502650.

The previous prime is 1423502627. The next prime is 1423502681. The reversal of 1423502651 is 1562053241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423502651 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1423502621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711751325 + 711751326.

It is an arithmetic number, because the mean of its divisors is an integer number (711751326).

Almost surely, 2^1423502651 is an apocalyptic number.

1423502651 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423502651 is an equidigital number, since it uses as much as digits as its factorization.

1423502651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1423502651 is about 37729.3340916587. The cubic root of 1423502651 is about 1124.9142719201.

Adding to 1423502651 its reverse (1562053241), we get a palindrome (2985555892).

The spelling of 1423502651 in words is "one billion, four hundred twenty-three million, five hundred two thousand, six hundred fifty-one".