1023233121 has 16 divisors (see below), whose sum is σ = 1530913920. Its totient is φ = 675399600.

The previous prime is 1023233083. The next prime is 1023233137. The reversal of 1023233121 is 1213323201.

It is not a de Polignac number, because 1023233121 - 2¹³ = 1023224929 is a prime.

It is a super-2 number, since 2×1023233121² = 2094012039822801282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1023233094 and 1023233103.

It is not an unprimeable number, because it can be changed into a prime (1023233161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184885 + ... + 190338.

It is an arithmetic number, because the mean of its divisors is an integer number (95682120).

Almost surely, 2^1023233121 is an apocalyptic number.

It is an amenable number.

1023233121 is a deficient number, since it is larger than the sum of its proper divisors (507680799).

1023233121 is a wasteful number, since it uses less digits than its factorization.

1023233121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375333 (or 375327 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1023233121 is about 31988.0152713481. The cubic root of 1023233121 is about 1007.6851606726.

Adding to 1023233121 its reverse (1213323201), we get a palindrome (2236556322).

The spelling of 1023233121 in words is "one billion, twenty-three million, two hundred thirty-three thousand, one hundred twenty-one".