42102023 has 8 divisors (see below), whose sum is σ = 42758400. Its totient is φ = 41448888.

The previous prime is 42102019. The next prime is 42102037. The reversal of 42102023 is 32020124.

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 42102023 - 2² = 42102019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42101989 and 42102007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42102923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40808 + ... + 41826.

It is an arithmetic number, because the mean of its divisors is an integer number (5344800).

Almost surely, 2^42102023 is an apocalyptic number.

42102023 is a deficient number, since it is larger than the sum of its proper divisors (656377).

42102023 is a wasteful number, since it uses less digits than its factorization.

42102023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 42102023 is about 6488.6071694933. The cubic root of 42102023 is about 347.8838929834.

Adding to 42102023 its reverse (32020124), we get a palindrome (74122147).

The spelling of 42102023 in words is "forty-two million, one hundred two thousand, twenty-three".