10231821696043 has 4 divisors (see below), whose sum is σ = 10375931860848. Its totient is φ = 10087711531240.

The previous prime is 10231821696037. The next prime is 10231821696101. The reversal of 10231821696043 is 34069612813201.

It is a happy number.

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-10231821696043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10231821695984 and 10231821696002.

It is not an unprimeable number, because it can be changed into a prime (10231821696743) 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, 72055082296 + ... + 72055082437.

It is an arithmetic number, because the mean of its divisors is an integer number (2593982965212).

Almost surely, 2^{10231821696043} is an apocalyptic number.

10231821696043 is a deficient number, since it is larger than the sum of its proper divisors (144110164805).

10231821696043 is an equidigital number, since it uses as much as digits as its factorization.

10231821696043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144110164804.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 10231821696043 in words is "ten trillion, two hundred thirty-one billion, eight hundred twenty-one million, six hundred ninety-six thousand, forty-three".