1002223023501 has 16 divisors (see below), whose sum is σ = 1527480342144. Its totient is φ = 572592612864.

The previous prime is 1002223023427. The next prime is 1002223023547. The reversal of 1002223023501 is 1053203222001.

It is not a de Polignac number, because 1002223023501 - 2¹⁴ = 1002223007117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002223023701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4311456 + ... + 4537961.

It is an arithmetic number, because the mean of its divisors is an integer number (95467521384).

Almost surely, 2^{1002223023501} is an apocalyptic number.

It is an amenable number.

1002223023501 is a deficient number, since it is larger than the sum of its proper divisors (525257318643).

1002223023501 is an equidigital number, since it uses as much as digits as its factorization.

1002223023501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8854820.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 1002223023501 its reverse (1053203222001), we get a palindrome (2055426245502).

The spelling of 1002223023501 in words is "one trillion, two billion, two hundred twenty-three million, twenty-three thousand, five hundred one".