5351723999 has 4 divisors (see below), whose sum is σ = 5353257000. Its totient is φ = 5350191000.

The previous prime is 5351723969. The next prime is 5351724073. The reversal of 5351723999 is 9993271535.

It is a happy number.

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 5351723999 - 2²⁸ = 5083288543 is a prime.

It is a super-2 number, since 2×5351723999² = 57281899522945104002, which contains 22 as substring.

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 5351723999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5351723969) 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, 761252 + ... + 768249.

It is an arithmetic number, because the mean of its divisors is an integer number (1338314250).

Almost surely, 2^5351723999 is an apocalyptic number.

5351723999 is a deficient number, since it is larger than the sum of its proper divisors (1533001).

5351723999 is a wasteful number, since it uses less digits than its factorization.

5351723999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533000.

The product of its digits is 2296350, while the sum is 53.

The square root of 5351723999 is about 73155.4782569289. The cubic root of 5351723999 is about 1749.1668413903.

The spelling of 5351723999 in words is "five billion, three hundred fifty-one million, seven hundred twenty-three thousand, nine hundred ninety-nine".