61015323 has 16 divisors (see below), whose sum is σ = 83490176. Its totient is φ = 39614400.

The previous prime is 61015319. The next prime is 61015337. The reversal of 61015323 is 32351016.

It is not a de Polignac number, because 61015323 - 2² = 61015319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61015323.

It is not an unprimeable number, because it can be changed into a prime (61015303) 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, 77136 + ... + 77922.

It is an arithmetic number, because the mean of its divisors is an integer number (5218136).

Almost surely, 2^61015323 is an apocalyptic number.

61015323 is a deficient number, since it is larger than the sum of its proper divisors (22474853).

61015323 is a wasteful number, since it uses less digits than its factorization.

61015323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 61015323 is about 7811.2305688669. The cubic root of 61015323 is about 393.6826767236.

Adding to 61015323 its reverse (32351016), we get a palindrome (93366339).

The spelling of 61015323 in words is "sixty-one million, fifteen thousand, three hundred twenty-three".