10211231023 has 4 divisors (see below), whose sum is σ = 11669978320. Its totient is φ = 8752483728.

The previous prime is 10211231003. The next prime is 10211231057. The reversal of 10211231023 is 32013211201.

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-10211231023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10211230988 and 10211231006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211231003) 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, 729373638 + ... + 729373651.

It is an arithmetic number, because the mean of its divisors is an integer number (2917494580).

Almost surely, 2^10211231023 is an apocalyptic number.

10211231023 is a deficient number, since it is larger than the sum of its proper divisors (1458747297).

10211231023 is an equidigital number, since it uses as much as digits as its factorization.

10211231023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458747296.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10211231023 its reverse (32013211201), we get a palindrome (42224442224).

The spelling of 10211231023 in words is "ten billion, two hundred eleven million, two hundred thirty-one thousand, twenty-three".