1023223001 has 2 divisors, whose sum is σ = 1023223002. Its totient is φ = 1023223000.

The previous prime is 1023222989. The next prime is 1023223009. The reversal of 1023223001 is 1003223201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 841000000 + 182223001 = 29000^2 + 13499^2 .

It is an emirp because it is prime and its reverse (1003223201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1023223001 - 2¹⁰ = 1023221977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023223009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511611500 + 511611501.

It is an arithmetic number, because the mean of its divisors is an integer number (511611501).

Almost surely, 2^1023223001 is an apocalyptic number.

It is an amenable number.

1023223001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023223001 is an equidigital number, since it uses as much as digits as its factorization.

1023223001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1023223001 is about 31987.8570867134. The cubic root of 1023223001 is about 1007.6818385859.

Adding to 1023223001 its reverse (1003223201), we get a palindrome (2026446202).

It can be divided in two parts, 10232 and 23001, that added together give a palindrome (33233).

The spelling of 1023223001 in words is "one billion, twenty-three million, two hundred twenty-three thousand, one".