23501156313 has 24 divisors (see below), whose sum is σ = 31675657728. Its totient is φ = 15498749088.

The previous prime is 23501156311. The next prime is 23501156359. The reversal of 23501156313 is 31365110532.

It is not a de Polignac number, because 23501156313 - 2¹ = 23501156311 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23501156311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21619656 + ... + 21620742.

It is an arithmetic number, because the mean of its divisors is an integer number (1319819072).

Almost surely, 2^23501156313 is an apocalyptic number.

It is an amenable number.

23501156313 is a deficient number, since it is larger than the sum of its proper divisors (8174501415).

23501156313 is a wasteful number, since it uses less digits than its factorization.

23501156313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 23501156313 its reverse (31365110532), we get a palindrome (54866266845).

The spelling of 23501156313 in words is "twenty-three billion, five hundred one million, one hundred fifty-six thousand, three hundred thirteen".