65123379 has 32 divisors (see below), whose sum is σ = 104120640. Its totient is φ = 40075776.

The previous prime is 65123363. The next prime is 65123381. The reversal of 65123379 is 97332156.

It is not a de Polignac number, because 65123379 - 2⁴ = 65123363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65123339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22989 + ... + 25665.

It is an arithmetic number, because the mean of its divisors is an integer number (3253770).

Almost surely, 2^65123379 is an apocalyptic number.

65123379 is a deficient number, since it is larger than the sum of its proper divisors (38997261).

65123379 is a wasteful number, since it uses less digits than its factorization.

65123379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756 (or 2750 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 65123379 is about 8069.9057615315. The cubic root of 65123379 is about 402.3268115420.

The spelling of 65123379 in words is "sixty-five million, one hundred twenty-three thousand, three hundred seventy-nine".