11331123213023 has 8 divisors (see below), whose sum is σ = 11833947393408. Its totient is φ = 10829146253464.

The previous prime is 11331123213001. The next prime is 11331123213029. The reversal of 11331123213023 is 32031232113311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331123213023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11331123212983 and 11331123213001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331123213029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211777865 + ... + 211831362.

It is an arithmetic number, because the mean of its divisors is an integer number (1479243424176).

Almost surely, 2^{11331123213023} is an apocalyptic number.

11331123213023 is a deficient number, since it is larger than the sum of its proper divisors (502824180385).

11331123213023 is a wasteful number, since it uses less digits than its factorization.

11331123213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423610413.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 11331123213023 its reverse (32031232113311), we get a palindrome (43362355326334).

The spelling of 11331123213023 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-three million, two hundred thirteen thousand, twenty-three".