423025545 has 32 divisors (see below), whose sum is σ = 717882624. Its totient is φ = 212256000.

The previous prime is 423025531. The next prime is 423025567. The reversal of 423025545 is 545520324.

It is not a de Polignac number, because 423025545 - 2⁸ = 423025289 is a prime.

It is a super-2 number, since 2×423025545² = 357901223445094050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10995 + ... + 31095.

It is an arithmetic number, because the mean of its divisors is an integer number (22433832).

Almost surely, 2^423025545 is an apocalyptic number.

It is an amenable number.

423025545 is a deficient number, since it is larger than the sum of its proper divisors (294857079).

423025545 is a wasteful number, since it uses less digits than its factorization.

423025545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20193.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 423025545 is about 20567.5848120289. The cubic root of 423025545 is about 750.6811855721.

Adding to 423025545 its reverse (545520324), we get a palindrome (968545869).

The spelling of 423025545 in words is "four hundred twenty-three million, twenty-five thousand, five hundred forty-five".