1042321023 has 12 divisors (see below), whose sum is σ = 1524633760. Its totient is φ = 686084256.

The previous prime is 1042321009. The next prime is 1042321037. The reversal of 1042321023 is 3201232401.

1042321023 is a `hidden beast` number, since 10 + 423 + 210 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (1042321009) and next prime (1042321037).

It is not a de Polignac number, because 1042321023 - 2⁵ = 1042320991 is a prime.

It is a super-2 number, since 2×1042321023² = 2172866229975533058, 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 = 1042320987 and 1042321005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042321123) 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 11 ways as a sum of consecutive naturals, for example, 732286 + ... + 733707.

Almost surely, 2^1042321023 is an apocalyptic number.

1042321023 is a deficient number, since it is larger than the sum of its proper divisors (482312737).

1042321023 is a wasteful number, since it uses less digits than its factorization.

1042321023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466078 (or 1466075 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1042321023 is about 32284.9968716121. The cubic root of 1042321023 is about 1013.9125509590.

Adding to 1042321023 its reverse (3201232401), we get a palindrome (4243553424).

The spelling of 1042321023 in words is "one billion, forty-two million, three hundred twenty-one thousand, twenty-three".