1361021023 has 2 divisors, whose sum is σ = 1361021024. Its totient is φ = 1361021022.

The previous prime is 1361021017. The next prime is 1361021029. The reversal of 1361021023 is 3201201631.

It is a balanced prime because it is at equal distance from previous prime (1361021017) and next prime (1361021029).

It is a cyclic number.

It is not a de Polignac number, because 1361021023 - 2⁹ = 1361020511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361021029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680510511 + 680510512.

It is an arithmetic number, because the mean of its divisors is an integer number (680510512).

Almost surely, 2^1361021023 is an apocalyptic number.

1361021023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361021023 is an equidigital number, since it uses as much as digits as its factorization.

1361021023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1361021023 is about 36892.0184186227. The cubic root of 1361021023 is about 1108.2088427055.

Adding to 1361021023 its reverse (3201201631), we get a palindrome (4562222654).

The spelling of 1361021023 in words is "one billion, three hundred sixty-one million, twenty-one thousand, twenty-three".