423255572 has 12 divisors (see below), whose sum is σ = 744979956. Its totient is φ = 210404160.

The previous prime is 423255541. The next prime is 423255593. The reversal of 423255572 is 275552324.

It can be written as a sum of positive squares in 2 ways, for example, as 353966596 + 69288976 = 18814^2 + 8324^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305129 + ... + 306512.

It is an arithmetic number, because the mean of its divisors is an integer number (62081663).

Almost surely, 2^423255572 is an apocalyptic number.

It is an amenable number.

423255572 is a deficient number, since it is larger than the sum of its proper divisors (321724384).

423255572 is a wasteful number, since it uses less digits than its factorization.

423255572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611818 (or 611816 counting only the distinct ones).

The product of its digits is 84000, while the sum is 35.

The square root of 423255572 is about 20573.1760309389. The cubic root of 423255572 is about 750.8172259397.

The spelling of 423255572 in words is "four hundred twenty-three million, two hundred fifty-five thousand, five hundred seventy-two".