61301323 has 4 divisors (see below), whose sum is σ = 61337488. Its totient is φ = 61265160.

The previous prime is 61301321. The next prime is 61301333. The reversal of 61301323 is 32310316.

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 61301323 - 2¹ = 61301321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61301323.

It is not an unprimeable number, because it can be changed into a prime (61301321) 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, 15408 + ... + 18973.

It is an arithmetic number, because the mean of its divisors is an integer number (15334372).

Almost surely, 2^61301323 is an apocalyptic number.

61301323 is a deficient number, since it is larger than the sum of its proper divisors (36165).

61301323 is a wasteful number, since it uses less digits than its factorization.

61301323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36164.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 61301323 is about 7829.5161408608. The cubic root of 61301323 is about 394.2968272653.

Adding to 61301323 its reverse (32310316), we get a palindrome (93611639).

The spelling of 61301323 in words is "sixty-one million, three hundred one thousand, three hundred twenty-three".