64230523 has 16 divisors (see below), whose sum is σ = 75289600. Its totient is φ = 54772200.

The previous prime is 64230511. The next prime is 64230553. The reversal of 64230523 is 32503246.

It is a happy number.

It is not a de Polignac number, because 64230523 - 2²¹ = 62133371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64230503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92608 + ... + 93298.

It is an arithmetic number, because the mean of its divisors is an integer number (4705600).

Almost surely, 2^64230523 is an apocalyptic number.

64230523 is a deficient number, since it is larger than the sum of its proper divisors (11059077).

64230523 is an equidigital number, since it uses as much as digits as its factorization.

64230523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 64230523 is about 8014.3947369717. The cubic root of 64230523 is about 400.4796807859.

Adding to 64230523 its reverse (32503246), we get a palindrome (96733769).

The spelling of 64230523 in words is "sixty-four million, two hundred thirty thousand, five hundred twenty-three".