61272323 has 4 divisors (see below), whose sum is σ = 70025520. Its totient is φ = 52519128.

The previous prime is 61272313. The next prime is 61272347. The reversal of 61272323 is 32327216.

61272323 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 61272323 - 2¹⁶ = 61206787 is a prime.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61272292 and 61272301.

It is not an unprimeable number, because it can be changed into a prime (61272313) 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, 4376588 + ... + 4376601.

It is an arithmetic number, because the mean of its divisors is an integer number (17506380).

Almost surely, 2^61272323 is an apocalyptic number.

61272323 is a deficient number, since it is larger than the sum of its proper divisors (8753197).

61272323 is an equidigital number, since it uses as much as digits as its factorization.

61272323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8753196.

The product of its digits is 3024, while the sum is 26.

The square root of 61272323 is about 7827.6639554851. The cubic root of 61272323 is about 394.2346403986.

Adding to 61272323 its reverse (32327216), we get a palindrome (93599539).

The spelling of 61272323 in words is "sixty-one million, two hundred seventy-two thousand, three hundred twenty-three".