1023311123 has 2 divisors, whose sum is σ = 1023311124. Its totient is φ = 1023311122.

The previous prime is 1023311071. The next prime is 1023311129. The reversal of 1023311123 is 3211133201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1023311123 - 2⁶ = 1023311059 is a prime.

It is a super-2 number, since 2×1023311123² = 2094331308911042258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1023311129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511655561 + 511655562.

It is an arithmetic number, because the mean of its divisors is an integer number (511655562).

Almost surely, 2^1023311123 is an apocalyptic number.

1023311123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023311123 is an equidigital number, since it uses as much as digits as its factorization.

1023311123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1023311123 is about 31989.2344859954. The cubic root of 1023311123 is about 1007.7107656102.

Adding to 1023311123 its reverse (3211133201), we get a palindrome (4234444324).

The spelling of 1023311123 in words is "one billion, twenty-three million, three hundred eleven thousand, one hundred twenty-three".