21233103023 has 8 divisors (see below), whose sum is σ = 23190360960. Its totient is φ = 19280341080.

The previous prime is 21233103011. The next prime is 21233103049. The reversal of 21233103023 is 32030133212.

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

It is not a de Polignac number, because 21233103023 - 2¹⁶ = 21233037487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21233102986 and 21233103004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21233108023) 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, 1114115 + ... + 1133012.

It is an arithmetic number, because the mean of its divisors is an integer number (2898795120).

Almost surely, 2^21233103023 is an apocalyptic number.

21233103023 is a deficient number, since it is larger than the sum of its proper divisors (1957257937).

21233103023 is a wasteful number, since it uses less digits than its factorization.

21233103023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247997.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21233103023 its reverse (32030133212), we get a palindrome (53263236235).

The spelling of 21233103023 in words is "twenty-one billion, two hundred thirty-three million, one hundred three thousand, twenty-three".