1423145051 has 2 divisors, whose sum is σ = 1423145052. Its totient is φ = 1423145050.

The previous prime is 1423145039. The next prime is 1423145083. The reversal of 1423145051 is 1505413241.

It is a weak prime.

It is an emirp because it is prime and its reverse (1505413241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1423145051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1423145051.

It is not a weakly prime, because it can be changed into another prime (1423145351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711572525 + 711572526.

It is an arithmetic number, because the mean of its divisors is an integer number (711572526).

Almost surely, 2^1423145051 is an apocalyptic number.

1423145051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423145051 is an equidigital number, since it uses as much as digits as its factorization.

1423145051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1423145051 is about 37724.5947758223. The cubic root of 1423145051 is about 1124.8200669596.

Adding to 1423145051 its reverse (1505413241), we get a palindrome (2928558292).

The spelling of 1423145051 in words is "one billion, four hundred twenty-three million, one hundred forty-five thousand, fifty-one".