23101431443 has 4 divisors (see below), whose sum is σ = 23105006808. Its totient is φ = 23097856080.

The previous prime is 23101431347. The next prime is 23101431467. The reversal of 23101431443 is 34413410132.

It is a happy number.

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 23101431443 - 2⁸ = 23101431187 is a prime.

It is a super-2 number, since 2×23101431443² (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 (23101436443) 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, 1777973 + ... + 1790918.

It is an arithmetic number, because the mean of its divisors is an integer number (5776251702).

Almost surely, 2^23101431443 is an apocalyptic number.

23101431443 is a deficient number, since it is larger than the sum of its proper divisors (3575365).

23101431443 is an equidigital number, since it uses as much as digits as its factorization.

23101431443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575364.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 23101431443 its reverse (34413410132), we get a palindrome (57514841575).

The spelling of 23101431443 in words is "twenty-three billion, one hundred one million, four hundred thirty-one thousand, four hundred forty-three".