61171957323 has 16 divisors (see below), whose sum is σ = 90733171200. Its totient is φ = 40732682760.

The previous prime is 61171957313. The next prime is 61171957333. The reversal of 61171957323 is 32375917116.

61171957323 is a `hidden beast` number, since 6 + 1 + 1 + 71 + 9 + 573 + 2 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (61171957313) and next prime (61171957333).

It is not a de Polignac number, because 61171957323 - 2¹⁰ = 61171956299 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (61171957313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1327543 + ... + 1372848.

It is an arithmetic number, because the mean of its divisors is an integer number (5670823200).

Almost surely, 2^61171957323 is an apocalyptic number.

61171957323 is a deficient number, since it is larger than the sum of its proper divisors (29561213877).

61171957323 is a wasteful number, since it uses less digits than its factorization.

61171957323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701239 (or 2701233 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The spelling of 61171957323 in words is "sixty-one billion, one hundred seventy-one million, nine hundred fifty-seven thousand, three hundred twenty-three".