1021363223 has 4 divisors (see below), whose sum is σ = 1033668888. Its totient is φ = 1009057560.

The previous prime is 1021363193. The next prime is 1021363229. The reversal of 1021363223 is 3223631201.

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

It is not a de Polignac number, because 1021363223 - 2⁸ = 1021362967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021363229) 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, 6152708 + ... + 6152873.

It is an arithmetic number, because the mean of its divisors is an integer number (258417222).

Almost surely, 2^1021363223 is an apocalyptic number.

1021363223 is a deficient number, since it is larger than the sum of its proper divisors (12305665).

1021363223 is an equidigital number, since it uses as much as digits as its factorization.

1021363223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12305664.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1021363223 is about 31958.7738031358. The cubic root of 1021363223 is about 1007.0709580401.

Adding to 1021363223 its reverse (3223631201), we get a palindrome (4244994424).

The spelling of 1021363223 in words is "one billion, twenty-one million, three hundred sixty-three thousand, two hundred twenty-three".