61711323 has 16 divisors (see below), whose sum is σ = 86058240. Its totient is φ = 39261024.

The previous prime is 61711319. The next prime is 61711327. The reversal of 61711323 is 32311716.

It is an interprime number because it is at equal distance from previous prime (61711319) and next prime (61711327).

It is not a de Polignac number, because 61711323 - 2² = 61711319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61711293 and 61711302.

It is not an unprimeable number, because it can be changed into a prime (61711327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41568 + ... + 43026.

It is an arithmetic number, because the mean of its divisors is an integer number (5378640).

Almost surely, 2^61711323 is an apocalyptic number.

61711323 is a deficient number, since it is larger than the sum of its proper divisors (24346917).

61711323 is a wasteful number, since it uses less digits than its factorization.

61711323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098.

The product of its digits is 756, while the sum is 24.

The square root of 61711323 is about 7855.6554786981. The cubic root of 61711323 is about 395.1739297050.

The spelling of 61711323 in words is "sixty-one million, seven hundred eleven thousand, three hundred twenty-three".