423223674 has 16 divisors (see below), whose sum is σ = 854214240. Its totient is φ = 139780080.

The previous prime is 423223643. The next prime is 423223679. The reversal of 423223674 is 476322324.

423223674 = T₂₇₃₂ + T₂₇₃₃ + ... + T₂₈₄₀.

It is not an unprimeable number, because it can be changed into a prime (423223679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322912 + ... + 324219.

It is an arithmetic number, because the mean of its divisors is an integer number (53388390).

Almost surely, 2^423223674 is an apocalyptic number.

423223674 is an abundant number, since it is smaller than the sum of its proper divisors (430990566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423223674 is a wasteful number, since it uses less digits than its factorization.

423223674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647245.

The product of its digits is 48384, while the sum is 33.

The square root of 423223674 is about 20572.4007835741. The cubic root of 423223674 is about 750.7983640737.

Adding to 423223674 its reverse (476322324), we get a palindrome (899545998).

The spelling of 423223674 in words is "four hundred twenty-three million, two hundred twenty-three thousand, six hundred seventy-four".