423964547 has 8 divisors (see below), whose sum is σ = 453024000. Its totient is φ = 395362944.

The previous prime is 423964523. The next prime is 423964553. The reversal of 423964547 is 745469324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 423964547 - 2¹² = 423960451 is a prime.

It is a super-2 number, since 2×423964547² = 359491874225830418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423964498 and 423964507.

It is not an unprimeable number, because it can be changed into a prime (423964507) 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, 112547 + ... + 116252.

It is an arithmetic number, because the mean of its divisors is an integer number (56628000).

Almost surely, 2^423964547 is an apocalyptic number.

423964547 is a deficient number, since it is larger than the sum of its proper divisors (29059453).

423964547 is a wasteful number, since it uses less digits than its factorization.

423964547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228925.

The product of its digits is 725760, while the sum is 44.

The square root of 423964547 is about 20590.3993890357. The cubic root of 423964547 is about 751.2362113299.

It can be divided in two parts, 4239 and 64547, that added together give a palindrome (68786).

The spelling of 423964547 in words is "four hundred twenty-three million, nine hundred sixty-four thousand, five hundred forty-seven".