105023213003 has 4 divisors (see below), whose sum is σ = 111201049080. Its totient is φ = 98845376928.

The previous prime is 105023212999. The next prime is 105023213041. The reversal of 105023213003 is 300312320501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105023213003 - 2² = 105023212999 is a prime.

It is a super-2 number, since 2×105023213003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105023213063) 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, 3088918013 + ... + 3088918046.

It is an arithmetic number, because the mean of its divisors is an integer number (27800262270).

Almost surely, 2^105023213003 is an apocalyptic number.

105023213003 is a deficient number, since it is larger than the sum of its proper divisors (6177836077).

105023213003 is an equidigital number, since it uses as much as digits as its factorization.

105023213003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6177836076.

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 105023213003 its reverse (300312320501), we get a palindrome (405335533504).

The spelling of 105023213003 in words is "one hundred five billion, twenty-three million, two hundred thirteen thousand, three".