423130381 has 4 divisors (see below), whose sum is σ = 424247200. Its totient is φ = 422013564.

The previous prime is 423130369. The next prime is 423130417. The reversal of 423130381 is 183031324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 423130381 - 2¹⁵ = 423097613 is a prime.

It is a super-2 number, since 2×423130381² = 358078638650410322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423130321) 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, 557841 + ... + 558598.

It is an arithmetic number, because the mean of its divisors is an integer number (106061800).

Almost surely, 2^423130381 is an apocalyptic number.

It is an amenable number.

423130381 is a deficient number, since it is larger than the sum of its proper divisors (1116819).

423130381 is a wasteful number, since it uses less digits than its factorization.

423130381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116818.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 423130381 is about 20570.1332275705. The cubic root of 423130381 is about 750.7431927909.

The spelling of 423130381 in words is "four hundred twenty-three million, one hundred thirty thousand, three hundred eighty-one".