5311230723 has 32 divisors (see below), whose sum is σ = 8313062400. Its totient is φ = 3345961248.

The previous prime is 5311230709. The next prime is 5311230731. The reversal of 5311230723 is 3270321135.

5311230723 is a `hidden beast` number, since 531 + 123 + 0 + 7 + 2 + 3 = 666.

It is not a de Polignac number, because 5311230723 - 2⁸ = 5311230467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5311130723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35361 + ... + 108962.

It is an arithmetic number, because the mean of its divisors is an integer number (259783200).

Almost surely, 2^5311230723 is an apocalyptic number.

5311230723 is a deficient number, since it is larger than the sum of its proper divisors (3001831677).

5311230723 is a wasteful number, since it uses less digits than its factorization.

5311230723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144408 (or 144402 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 5311230723 is about 72878.1909970329. The cubic root of 5311230723 is about 1744.7440365880.

Adding to 5311230723 its reverse (3270321135), we get a palindrome (8581551858).

The spelling of 5311230723 in words is "five billion, three hundred eleven million, two hundred thirty thousand, seven hundred twenty-three".