1042100023 has 8 divisors (see below), whose sum is σ = 1047682800. Its totient is φ = 1036526400.

The previous prime is 1042099991. The next prime is 1042100041. The reversal of 1042100023 is 3200012401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042100023 - 2⁵ = 1042099991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1042099976 and 1042100012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042100053) 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 7 ways as a sum of consecutive naturals, for example, 407553 + ... + 410101.

It is an arithmetic number, because the mean of its divisors is an integer number (130960350).

Almost surely, 2^1042100023 is an apocalyptic number.

1042100023 is a deficient number, since it is larger than the sum of its proper divisors (5582777).

1042100023 is a wasteful number, since it uses less digits than its factorization.

1042100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1042100023 is about 32281.5740477443. The cubic root of 1042100023 is about 1013.8408870131.

Adding to 1042100023 its reverse (3200012401), we get a palindrome (4242112424).

The spelling of 1042100023 in words is "one billion, forty-two million, one hundred thousand, twenty-three".