961884023 has 4 divisors (see below), whose sum is σ = 961962528. Its totient is φ = 961805520.

The previous prime is 961883969. The next prime is 961884029. The reversal of 961884023 is 320488169.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 320488169 = 277 ⋅1156997.

It is a cyclic number.

It is not a de Polignac number, because 961884023 - 2¹⁸ = 961621879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961884029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16463 + ... + 46848.

It is an arithmetic number, because the mean of its divisors is an integer number (240490632).

Almost surely, 2^961884023 is an apocalyptic number.

961884023 is a deficient number, since it is larger than the sum of its proper divisors (78505).

961884023 is a wasteful number, since it uses less digits than its factorization.

961884023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78504.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 961884023 is about 31014.2551579109. The cubic root of 961884023 is about 987.1297414021.

The spelling of 961884023 in words is "nine hundred sixty-one million, eight hundred eighty-four thousand, twenty-three".