4129023 has 16 divisors (see below), whose sum is σ = 5857920. Its totient is φ = 2579616.

The previous prime is 4129007. The next prime is 4129031. The reversal of 4129023 is 3209214.

It is a Cunningham number, because it is equal to 2032²-1.

It is not a de Polignac number, because 4129023 - 2⁴ = 4129007 is a prime.

4129023 is a lucky number.

It is a zygodrome in base 2 and base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4129003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5761 + ... + 6437.

It is an arithmetic number, because the mean of its divisors is an integer number (366120).

Almost surely, 2^4129023 is an apocalyptic number.

4129023 is a deficient number, since it is larger than the sum of its proper divisors (1728897).

4129023 is a wasteful number, since it uses less digits than its factorization.

4129023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4129023 is about 2031.9997539370. Note that the first 3 decimals coincide. The cubic root of 4129023 is about 160.4288365723.

The spelling of 4129023 in words is "four million, one hundred twenty-nine thousand, twenty-three".