423513427 has 4 divisors (see below), whose sum is σ = 424420776. Its totient is φ = 422606080.

The previous prime is 423513347. The next prime is 423513457. The reversal of 423513427 is 724315324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423513427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423513457) 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, 452974 + ... + 453907.

It is an arithmetic number, because the mean of its divisors is an integer number (106105194).

Almost surely, 2^423513427 is an apocalyptic number.

423513427 is a deficient number, since it is larger than the sum of its proper divisors (907349).

423513427 is an equidigital number, since it uses as much as digits as its factorization.

423513427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907348.

The product of its digits is 20160, while the sum is 31.

The square root of 423513427 is about 20579.4418534614. The cubic root of 423513427 is about 750.9696654952.

The spelling of 423513427 in words is "four hundred twenty-three million, five hundred thirteen thousand, four hundred twenty-seven".