61073123 has 4 divisors (see below), whose sum is σ = 61147800. Its totient is φ = 60998448.

The previous prime is 61073081. The next prime is 61073147. The reversal of 61073123 is 32137016.

It is a happy number.

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 61073123 - 2⁶ = 61073059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61073153) 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, 36098 + ... + 37751.

It is an arithmetic number, because the mean of its divisors is an integer number (15286950).

Almost surely, 2^61073123 is an apocalyptic number.

61073123 is a deficient number, since it is larger than the sum of its proper divisors (74677).

61073123 is an equidigital number, since it uses as much as digits as its factorization.

61073123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74676.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 61073123 is about 7814.9294942437. The cubic root of 61073123 is about 393.8069497538.

The spelling of 61073123 in words is "sixty-one million, seventy-three thousand, one hundred twenty-three".