423057139 has 8 divisors (see below), whose sum is σ = 428302080. Its totient is φ = 417823296.

The previous prime is 423057113. The next prime is 423057161. The reversal of 423057139 is 931750324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423057139 - 2¹¹ = 423055091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423057109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94557 + ... + 98929.

It is an arithmetic number, because the mean of its divisors is an integer number (53537760).

Almost surely, 2^423057139 is an apocalyptic number.

423057139 is a deficient number, since it is larger than the sum of its proper divisors (5244941).

423057139 is a wasteful number, since it uses less digits than its factorization.

423057139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5549.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 423057139 is about 20568.3528509212. The cubic root of 423057139 is about 750.6998735144.

The spelling of 423057139 in words is "four hundred twenty-three million, fifty-seven thousand, one hundred thirty-nine".