564465123 has 12 divisors (see below), whose sum is σ = 826823088. Its totient is φ = 371009520.

The previous prime is 564465113. The next prime is 564465133. The reversal of 564465123 is 321564465.

564465123 is a `hidden beast` number, since 5 + 644 + 6 + 5 + 1 + 2 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (564465113) and next prime (564465133).

It is not a de Polignac number, because 564465123 - 2⁴ = 564465107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (564465113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441040 + ... + 442317.

It is an arithmetic number, because the mean of its divisors is an integer number (68901924).

Almost surely, 2^564465123 is an apocalyptic number.

564465123 is a deficient number, since it is larger than the sum of its proper divisors (262357965).

564465123 is a wasteful number, since it uses less digits than its factorization.

564465123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883434 (or 883431 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 564465123 is about 23758.4747616508. The cubic root of 564465123 is about 826.4419828336.

The spelling of 564465123 in words is "five hundred sixty-four million, four hundred sixty-five thousand, one hundred twenty-three".