23535032251 has 4 divisors (see below), whose sum is σ = 23563629712. Its totient is φ = 23506434792.

The previous prime is 23535032239. The next prime is 23535032317. The reversal of 23535032251 is 15223053532.

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 23535032251 - 2⁵ = 23535032219 is a prime.

It is a super-2 number, since 2×23535032251² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23535032351) 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, 14297496 + ... + 14299141.

It is an arithmetic number, because the mean of its divisors is an integer number (5890907428).

Almost surely, 2^23535032251 is an apocalyptic number.

23535032251 is a deficient number, since it is larger than the sum of its proper divisors (28597461).

23535032251 is an equidigital number, since it uses as much as digits as its factorization.

23535032251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28597460.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 23535032251 its reverse (15223053532), we get a palindrome (38758085783).

The spelling of 23535032251 in words is "twenty-three billion, five hundred thirty-five million, thirty-two thousand, two hundred fifty-one".