61230623 has 4 divisors (see below), whose sum is σ = 63892848. Its totient is φ = 58568400.

The previous prime is 61230619. The next prime is 61230649. The reversal of 61230623 is 32603216.

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 61230623 - 2² = 61230619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 2662201 = 61230623 / (6 + 1 + 2 + 3 + 0 + 6 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61230683) 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, 1331078 + ... + 1331123.

It is an arithmetic number, because the mean of its divisors is an integer number (15973212).

Almost surely, 2^61230623 is an apocalyptic number.

61230623 is a deficient number, since it is larger than the sum of its proper divisors (2662225).

61230623 is a wasteful number, since it uses less digits than its factorization.

61230623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2662224.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 61230623 is about 7824.9998722045. Note that the first 3 decimals coincide. The cubic root of 61230623 is about 394.1451855707.

Adding to 61230623 its reverse (32603216), we get a palindrome (93833839).

The spelling of 61230623 in words is "sixty-one million, two hundred thirty thousand, six hundred twenty-three".