1423491011 has 2 divisors, whose sum is σ = 1423491012. Its totient is φ = 1423491010.

The previous prime is 1423490947. The next prime is 1423491037. The reversal of 1423491011 is 1101943241.

It is a happy number.

It is an a-pointer prime, because the next prime (1423491037) can be obtained adding 1423491011 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423491011 - 2⁶ = 1423490947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423491061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711745505 + 711745506.

It is an arithmetic number, because the mean of its divisors is an integer number (711745506).

Almost surely, 2^1423491011 is an apocalyptic number.

1423491011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423491011 is an equidigital number, since it uses as much as digits as its factorization.

1423491011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 1423491011 is about 37729.1798347115. The cubic root of 1423491011 is about 1124.9112057655.

The spelling of 1423491011 in words is "one billion, four hundred twenty-three million, four hundred ninety-one thousand, eleven".