23210551001431 has 4 divisors (see below), whose sum is σ = 23214482999712. Its totient is φ = 23206619003152.

The previous prime is 23210551001419. The next prime is 23210551001437. The reversal of 23210551001431 is 13410015501232.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23210551001431 is a prime.

It is a super-2 number, since 2×23210551001431² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23210551001431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23210551001437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1965990286 + ... + 1966002091.

It is an arithmetic number, because the mean of its divisors is an integer number (5803620749928).

Almost surely, 2^{23210551001431} is an apocalyptic number.

23210551001431 is a deficient number, since it is larger than the sum of its proper divisors (3931998281).

23210551001431 is an equidigital number, since it uses as much as digits as its factorization.

23210551001431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931998280.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 23210551001431 its reverse (13410015501232), we get a palindrome (36620566502663).

The spelling of 23210551001431 in words is "twenty-three trillion, two hundred ten billion, five hundred fifty-one million, one thousand, four hundred thirty-one".