423768249 has 12 divisors (see below), whose sum is σ = 618988500. Its totient is φ = 279337344.

The previous prime is 423768239. The next prime is 423768253. The reversal of 423768249 is 942867324.

It can be written as a sum of positive squares in 2 ways, for example, as 106750224 + 317018025 = 10332^2 + 17805^2 .

It is not a de Polignac number, because 423768249 - 2²⁰ = 422719673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423768239) 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, 263724 + ... + 265325.

It is an arithmetic number, because the mean of its divisors is an integer number (51582375).

Almost surely, 2^423768249 is an apocalyptic number.

It is an amenable number.

423768249 is a deficient number, since it is larger than the sum of its proper divisors (195220251).

423768249 is a wasteful number, since it uses less digits than its factorization.

423768249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529144 (or 529141 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 423768249 is about 20585.6321010553. The cubic root of 423768249 is about 751.1202512165.

It can be divided in two parts, 42376 and 8249, that added together give a 4-th power (50625 = 15⁴).

The spelling of 423768249 in words is "four hundred twenty-three million, seven hundred sixty-eight thousand, two hundred forty-nine".