1423520179 has 2 divisors, whose sum is σ = 1423520180. Its totient is φ = 1423520178.

The previous prime is 1423520171. The next prime is 1423520183. The reversal of 1423520179 is 9710253241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423520179 - 2³ = 1423520171 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423520171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711760089 + 711760090.

It is an arithmetic number, because the mean of its divisors is an integer number (711760090).

Almost surely, 2^1423520179 is an apocalyptic number.

1423520179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423520179 is an equidigital number, since it uses as much as digits as its factorization.

1423520179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1423520179 is about 37729.5663770471. The cubic root of 1423520179 is about 1124.9188890328.

The spelling of 1423520179 in words is "one billion, four hundred twenty-three million, five hundred twenty thousand, one hundred seventy-nine".