10023021003 has 4 divisors (see below), whose sum is σ = 13364028008. Its totient is φ = 6682014000.

The previous prime is 10023020941. The next prime is 10023021017. The reversal of 10023021003 is 30012032001.

It is a happy number.

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

It is not a de Polignac number, because 10023021003 - 2²¹ = 10020923851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10023021003.

It is not an unprimeable number, because it can be changed into a prime (10023021023) 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, 1670503498 + ... + 1670503503.

It is an arithmetic number, because the mean of its divisors is an integer number (3341007002).

Almost surely, 2^10023021003 is an apocalyptic number.

10023021003 is a deficient number, since it is larger than the sum of its proper divisors (3341007005).

10023021003 is an equidigital number, since it uses as much as digits as its factorization.

10023021003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3341007004.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 10023021003 its reverse (30012032001), we get a palindrome (40035053004).

The spelling of 10023021003 in words is "ten billion, twenty-three million, twenty-one thousand, three".