4023949903 has 8 divisors (see below), whose sum is σ = 4242236400. Its totient is φ = 3806313408.

The previous prime is 4023949883. The next prime is 4023949907. The reversal of 4023949903 is 3099493204.

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 4023949903 - 2¹³ = 4023941711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4023949903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4023949907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149758 + ... + 174571.

It is an arithmetic number, because the mean of its divisors is an integer number (530279550).

Almost surely, 2^4023949903 is an apocalyptic number.

4023949903 is a deficient number, since it is larger than the sum of its proper divisors (218286497).

4023949903 is a wasteful number, since it uses less digits than its factorization.

4023949903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325001.

The product of its (nonzero) digits is 209952, while the sum is 43.

The square root of 4023949903 is about 63434.6112386606. The cubic root of 4023949903 is about 1590.5629248952.

The spelling of 4023949903 in words is "four billion, twenty-three million, nine hundred forty-nine thousand, nine hundred three".