423405346 has 16 divisors (see below), whose sum is σ = 781671744. Its totient is φ = 167500944.

The previous prime is 423405337. The next prime is 423405371. The reversal of 423405346 is 643504324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1163020 + ... + 1163383.

It is an arithmetic number, because the mean of its divisors is an integer number (48854484).

Almost surely, 2^423405346 is an apocalyptic number.

423405346 is a deficient number, since it is larger than the sum of its proper divisors (358266398).

423405346 is a wasteful number, since it uses less digits than its factorization.

423405346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326425.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 423405346 is about 20576.8157400507. The cubic root of 423405346 is about 750.9057773532.

It can be divided in two parts, 423 and 405346, that added together give a square (405769 = 637²).

The spelling of 423405346 in words is "four hundred twenty-three million, four hundred five thousand, three hundred forty-six".