423053545 has 4 divisors (see below), whose sum is σ = 507664260. Its totient is φ = 338442832.

The previous prime is 423053507. The next prime is 423053567. The reversal of 423053545 is 545350324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110082064 + 312971481 = 10492^2 + 17691^2 .

It is a cyclic number.

It is not a de Polignac number, because 423053545 - 2¹³ = 423045353 is a prime.

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, 42305350 + ... + 42305359.

It is an arithmetic number, because the mean of its divisors is an integer number (126916065).

Almost surely, 2^423053545 is an apocalyptic number.

It is an amenable number.

423053545 is a deficient number, since it is larger than the sum of its proper divisors (84610715).

423053545 is an equidigital number, since it uses as much as digits as its factorization.

423053545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84610714.

The product of its (nonzero) digits is 36000, while the sum is 31.

The square root of 423053545 is about 20568.2654835064. The cubic root of 423053545 is about 750.6977476999.

It can be divided in two parts, 4230 and 53545, that added together give a palindrome (57775).

The spelling of 423053545 in words is "four hundred twenty-three million, fifty-three thousand, five hundred forty-five".