1023261023 has 2 divisors, whose sum is σ = 1023261024. Its totient is φ = 1023261022.

The previous prime is 1023260993. The next prime is 1023261037. The reversal of 1023261023 is 3201623201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023261023 - 2¹⁰ = 1023259999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1023260986 and 1023261004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1023261073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511630511 + 511630512.

It is an arithmetic number, because the mean of its divisors is an integer number (511630512).

Almost surely, 2^1023261023 is an apocalyptic number.

1023261023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023261023 is an equidigital number, since it uses as much as digits as its factorization.

1023261023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1023261023 is about 31988.4514004664. The cubic root of 1023261023 is about 1007.6943199330.

Adding to 1023261023 its reverse (3201623201), we get a palindrome (4224884224).

The spelling of 1023261023 in words is "one billion, twenty-three million, two hundred sixty-one thousand, twenty-three".