23812120851 has 8 divisors (see below), whose sum is σ = 31751079360. Its totient is φ = 15873954792.

The previous prime is 23812120831. The next prime is 23812120877. The reversal of 23812120851 is 15802121832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23812120851 - 2¹³ = 23812112659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23812120811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124041 + ... + 251018.

It is an arithmetic number, because the mean of its divisors is an integer number (3968884920).

Almost surely, 2^23812120851 is an apocalyptic number.

23812120851 is a deficient number, since it is larger than the sum of its proper divisors (7938958509).

23812120851 is a wasteful number, since it uses less digits than its factorization.

23812120851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396225.

The product of its (nonzero) digits is 7680, while the sum is 33.

The spelling of 23812120851 in words is "twenty-three billion, eight hundred twelve million, one hundred twenty thousand, eight hundred fifty-one".