61873423 has 4 divisors (see below), whose sum is σ = 62568720. Its totient is φ = 61178128.

The previous prime is 61873393. The next prime is 61873433. The reversal of 61873423 is 32437816.

It is a happy number.

61873423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 61873423 - 2⁵ = 61873391 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 (61873433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347515 + ... + 347692.

It is an arithmetic number, because the mean of its divisors is an integer number (15642180).

Almost surely, 2^61873423 is an apocalyptic number.

61873423 is a deficient number, since it is larger than the sum of its proper divisors (695297).

61873423 is an equidigital number, since it uses as much as digits as its factorization.

61873423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695296.

The product of its digits is 24192, while the sum is 34.

The square root of 61873423 is about 7865.9661199372. The cubic root of 61873423 is about 395.5196344305.

The spelling of 61873423 in words is "sixty-one million, eight hundred seventy-three thousand, four hundred twenty-three".