11343023021 has 8 divisors (see below), whose sum is σ = 12543717504. Its totient is φ = 10170580320.

The previous prime is 11343022963. The next prime is 11343023023. The reversal of 11343023021 is 12032034311.

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

It is a cyclic number.

It is not a de Polignac number, because 11343023021 - 2²² = 11338828717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11343022984 and 11343023002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343023023) 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, 7062101 + ... + 7063706.

It is an arithmetic number, because the mean of its divisors is an integer number (1567964688).

Almost surely, 2^11343023021 is an apocalyptic number.

11343023021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11343023021 is a deficient number, since it is larger than the sum of its proper divisors (1200694483).

11343023021 is a wasteful number, since it uses less digits than its factorization.

11343023021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14125891.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11343023021 its reverse (12032034311), we get a palindrome (23375057332).

The spelling of 11343023021 in words is "eleven billion, three hundred forty-three million, twenty-three thousand, twenty-one".