423512243 has 12 divisors (see below), whose sum is σ = 537444792. Its totient is φ = 330009120.

The previous prime is 423512239. The next prime is 423512303. The reversal of 423512243 is 342215324.

It is not a de Polignac number, because 423512243 - 2² = 423512239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423512213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392330 + ... + 393407.

It is an arithmetic number, because the mean of its divisors is an integer number (44787066).

Almost surely, 2^423512243 is an apocalyptic number.

423512243 is a deficient number, since it is larger than the sum of its proper divisors (113932549).

423512243 is a wasteful number, since it uses less digits than its factorization.

423512243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785762 (or 785755 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 423512243 is about 20579.4130868691. The cubic root of 423512243 is about 750.9689656757.

Adding to 423512243 its reverse (342215324), we get a palindrome (765727567).

The spelling of 423512243 in words is "four hundred twenty-three million, five hundred twelve thousand, two hundred forty-three".