423011051 has 4 divisors (see below), whose sum is σ = 447894072. Its totient is φ = 398128032.

The previous prime is 423011033. The next prime is 423011059. The reversal of 423011051 is 150110324.

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

It is not a de Polignac number, because 423011051 - 2²² = 418816747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 24883003 = 423011051 / (4 + 2 + 3 + 0 + 1 + 1 + 0 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423011059) 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, 12441485 + ... + 12441518.

It is an arithmetic number, because the mean of its divisors is an integer number (111973518).

Almost surely, 2^423011051 is an apocalyptic number.

423011051 is a deficient number, since it is larger than the sum of its proper divisors (24883021).

423011051 is a wasteful number, since it uses less digits than its factorization.

423011051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24883020.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 423011051 is about 20567.2324584520. The cubic root of 423011051 is about 750.6726120178.

Adding to 423011051 its reverse (150110324), we get a palindrome (573121375).

The spelling of 423011051 in words is "four hundred twenty-three million, eleven thousand, fifty-one".