423215134 has 8 divisors (see below), whose sum is σ = 662423760. Its totient is φ = 202407216.

The previous prime is 423215113. The next prime is 423215137. The reversal of 423215134 is 431512324.

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

It is a super-2 number, since 2×423215134² = 358222099293275912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 423215099 and 423215108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423215137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4600119 + ... + 4600210.

It is an arithmetic number, because the mean of its divisors is an integer number (82802970).

Almost surely, 2^423215134 is an apocalyptic number.

423215134 is a deficient number, since it is larger than the sum of its proper divisors (239208626).

423215134 is a wasteful number, since it uses less digits than its factorization.

423215134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9200354.

The product of its digits is 2880, while the sum is 25.

The square root of 423215134 is about 20572.1932228919. The cubic root of 423215134 is about 750.7933140560.

Adding to 423215134 its reverse (431512324), we get a palindrome (854727458).

The spelling of 423215134 in words is "four hundred twenty-three million, two hundred fifteen thousand, one hundred thirty-four".