23133361251 has 128 divisors (see below), whose sum is σ = 43764940800. Its totient is φ = 10467740160.

The previous prime is 23133361231. The next prime is 23133361253. The reversal of 23133361251 is 15216333132.

It is not a de Polignac number, because 23133361251 - 2¹⁴ = 23133344867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23133361253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18086430 + ... + 18087708.

It is an arithmetic number, because the mean of its divisors is an integer number (341913600).

Almost surely, 2^23133361251 is an apocalyptic number.

23133361251 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23133361251 is a deficient number, since it is larger than the sum of its proper divisors (20631579549).

23133361251 is a wasteful number, since it uses less digits than its factorization.

23133361251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its digits is 9720, while the sum is 30.

Adding to 23133361251 its reverse (15216333132), we get a palindrome (38349694383).

The spelling of 23133361251 in words is "twenty-three billion, one hundred thirty-three million, three hundred sixty-one thousand, two hundred fifty-one".