64423103 has 4 divisors (see below), whose sum is σ = 65515080. Its totient is φ = 63331128.

The previous prime is 64423087. The next prime is 64423127. The reversal of 64423103 is 30132446.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 64423103 - 2⁴ = 64423087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64429103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545900 + ... + 546017.

It is an arithmetic number, because the mean of its divisors is an integer number (16378770).

Almost surely, 2^64423103 is an apocalyptic number.

64423103 is a deficient number, since it is larger than the sum of its proper divisors (1091977).

64423103 is a wasteful number, since it uses less digits than its factorization.

64423103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091976.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 64423103 is about 8026.4003762583. The cubic root of 64423103 is about 400.8795292367.

Adding to 64423103 its reverse (30132446), we get a palindrome (94555549).

The spelling of 64423103 in words is "sixty-four million, four hundred twenty-three thousand, one hundred three".