423015261 has 8 divisors (see below), whose sum is σ = 565800864. Its totient is φ = 281119920.

The previous prime is 423015251. The next prime is 423015269. The reversal of 423015261 is 162510324.

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

It is not a de Polignac number, because 423015261 - 2¹³ = 423007069 is a prime.

It is a super-2 number, since 2×423015261² = 357883822077796242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423015269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221455 + ... + 223356.

It is an arithmetic number, because the mean of its divisors is an integer number (70725108).

Almost surely, 2^423015261 is an apocalyptic number.

It is an amenable number.

423015261 is a deficient number, since it is larger than the sum of its proper divisors (142785603).

423015261 is a wasteful number, since it uses less digits than its factorization.

423015261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445131.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 423015261 is about 20567.3348054628. The cubic root of 423015261 is about 750.6751023556.

Adding to 423015261 its reverse (162510324), we get a palindrome (585525585).

It can be divided in two parts, 4230 and 15261, that added together give a palindrome (19491).

The spelling of 423015261 in words is "four hundred twenty-three million, fifteen thousand, two hundred sixty-one".