61692123 has 4 divisors (see below), whose sum is σ = 82256168. Its totient is φ = 41128080.

The previous prime is 61692121. The next prime is 61692149. The reversal of 61692123 is 32129616.

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

It is not a de Polignac number, because 61692123 - 2¹ = 61692121 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61692121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10282018 + ... + 10282023.

It is an arithmetic number, because the mean of its divisors is an integer number (20564042).

Almost surely, 2^61692123 is an apocalyptic number.

61692123 is a deficient number, since it is larger than the sum of its proper divisors (20564045).

61692123 is a wasteful number, since it uses less digits than its factorization.

61692123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20564044.

The product of its digits is 3888, while the sum is 30.

The square root of 61692123 is about 7854.4333341114. The cubic root of 61692123 is about 395.1329424864.

The spelling of 61692123 in words is "sixty-one million, six hundred ninety-two thousand, one hundred twenty-three".