5661263423 has 8 divisors (see below), whose sum is σ = 5854174128. Its totient is φ = 5471541504.

The previous prime is 5661263371. The next prime is 5661263429. The reversal of 5661263423 is 3243621665.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5661263423 - 2⁶ = 5661263359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661263429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793586 + ... + 800687.

It is an arithmetic number, because the mean of its divisors is an integer number (731771766).

Almost surely, 2^5661263423 is an apocalyptic number.

5661263423 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

5661263423 is a deficient number, since it is larger than the sum of its proper divisors (192910705).

5661263423 is a wasteful number, since it uses less digits than its factorization.

5661263423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594393.

The product of its digits is 155520, while the sum is 38.

The square root of 5661263423 is about 75241.3677640166. The cubic root of 5661263423 is about 1782.2602502660.

The spelling of 5661263423 in words is "five billion, six hundred sixty-one million, two hundred sixty-three thousand, four hundred twenty-three".