61683123 has 16 divisors (see below), whose sum is σ = 87422976. Its totient is φ = 38551680.

The previous prime is 61683119. The next prime is 61683133. The reversal of 61683123 is 32138616.

It is not a de Polignac number, because 61683123 - 2² = 61683119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61683103) 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, 11590 + ... + 16052.

It is an arithmetic number, because the mean of its divisors is an integer number (5463936).

Almost surely, 2^61683123 is an apocalyptic number.

61683123 is a deficient number, since it is larger than the sum of its proper divisors (25739853).

61683123 is a wasteful number, since it uses less digits than its factorization.

61683123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4754.

The product of its digits is 5184, while the sum is 30.

The square root of 61683123 is about 7853.8603883695. The cubic root of 61683123 is about 395.1137268002.

The spelling of 61683123 in words is "sixty-one million, six hundred eighty-three thousand, one hundred twenty-three".