61423263 has 12 divisors (see below), whose sum is σ = 96788328. Its totient is φ = 37226160.

The previous prime is 61423259. The next prime is 61423277. The reversal of 61423263 is 36232416.

61423263 is a `hidden beast` number, since 614 + 23 + 26 + 3 = 666.

It is not a de Polignac number, because 61423263 - 2² = 61423259 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61423223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310120 + ... + 310317.

It is an arithmetic number, because the mean of its divisors is an integer number (8065694).

Almost surely, 2^61423263 is an apocalyptic number.

61423263 is a deficient number, since it is larger than the sum of its proper divisors (35365065).

61423263 is a wasteful number, since it uses less digits than its factorization.

61423263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620454 (or 620451 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 61423263 is about 7837.2994711189. The cubic root of 61423263 is about 394.5580979170.

Adding to 61423263 its reverse (36232416), we get a palindrome (97655679).

It can be divided in two parts, 61 and 423263, that added together give a palindrome (423324).

The spelling of 61423263 in words is "sixty-one million, four hundred twenty-three thousand, two hundred sixty-three".