1023420241 has 4 divisors (see below), whose sum is σ = 1040197684. Its totient is φ = 1006642800.

The previous prime is 1023420239. The next prime is 1023420271. The reversal of 1023420241 is 1420243201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1420243201 = 13 ⋅109249477.

It can be written as a sum of positive squares in 2 ways, for example, as 480530241 + 542890000 = 21921^2 + 23300^2 .

It is a cyclic number.

It is not a de Polignac number, because 1023420241 - 2¹ = 1023420239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023420271) 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, 8388630 + ... + 8388751.

It is an arithmetic number, because the mean of its divisors is an integer number (260049421).

Almost surely, 2^1023420241 is an apocalyptic number.

It is an amenable number.

1023420241 is a deficient number, since it is larger than the sum of its proper divisors (16777443).

1023420241 is an equidigital number, since it uses as much as digits as its factorization.

1023420241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16777442.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1023420241 is about 31990.9399830640. The cubic root of 1023420241 is about 1007.7465825032.

Adding to 1023420241 its reverse (1420243201), we get a palindrome (2443663442).

The spelling of 1023420241 in words is "one billion, twenty-three million, four hundred twenty thousand, two hundred forty-one".