64255123 has 4 divisors (see below), whose sum is σ = 67048848. Its totient is φ = 61461400.

The previous prime is 64255117. The next prime is 64255129. The reversal of 64255123 is 32155246.

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

It is an interprime number because it is at equal distance from previous prime (64255117) and next prime (64255129).

It is a cyclic number.

It is not a de Polignac number, because 64255123 - 2²¹ = 62157971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64255091 and 64255100.

It is not an unprimeable number, because it can be changed into a prime (64255129) 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, 1396828 + ... + 1396873.

It is an arithmetic number, because the mean of its divisors is an integer number (16762212).

Almost surely, 2^64255123 is an apocalyptic number.

64255123 is a deficient number, since it is larger than the sum of its proper divisors (2793725).

64255123 is a wasteful number, since it uses less digits than its factorization.

64255123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2793724.

The product of its digits is 7200, while the sum is 28.

The square root of 64255123 is about 8015.9293285308. The cubic root of 64255123 is about 400.5308015627.

The spelling of 64255123 in words is "sixty-four million, two hundred fifty-five thousand, one hundred twenty-three".