1023011123 has 16 divisors (see below), whose sum is σ = 1059739200. Its totient is φ = 987148800.

The previous prime is 1023011111. The next prime is 1023011147. The reversal of 1023011123 is 3211103201.

It is a cyclic number.

It is not a de Polignac number, because 1023011123 - 2⁸ = 1023010867 is a prime.

It is a super-2 number, since 2×1023011123² = 2093103515563442258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1023011098 and 1023011107.

It is not an unprimeable number, because it can be changed into a prime (1023011153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 655418 + ... + 656976.

It is an arithmetic number, because the mean of its divisors is an integer number (66233700).

Almost surely, 2^1023011123 is an apocalyptic number.

1023011123 is a deficient number, since it is larger than the sum of its proper divisors (36728077).

1023011123 is a wasteful number, since it uses less digits than its factorization.

1023011123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1023011123 is about 31984.5450647653. The cubic root of 1023011123 is about 1007.6122804834.

Adding to 1023011123 its reverse (3211103201), we get a palindrome (4234114324).

The spelling of 1023011123 in words is "one billion, twenty-three million, eleven thousand, one hundred twenty-three".