4391209023 has 16 divisors (see below), whose sum is σ = 5930803200. Its totient is φ = 2889776736.

The previous prime is 4391209001. The next prime is 4391209049. The reversal of 4391209023 is 3209021934.

It is not a de Polignac number, because 4391209023 - 2¹² = 4391204927 is a prime.

It is a super-2 number, since 2×4391209023² = 38565433367353229058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4391209523) 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, 46861 + ... + 104777.

It is an arithmetic number, because the mean of its divisors is an integer number (370675200).

Almost surely, 2^4391209023 is an apocalyptic number.

4391209023 is a deficient number, since it is larger than the sum of its proper divisors (1539594177).

4391209023 is a wasteful number, since it uses less digits than its factorization.

4391209023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58246.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 4391209023 is about 66266.1981933474. The cubic root of 4391209023 is about 1637.5505053513.

The spelling of 4391209023 in words is "four billion, three hundred ninety-one million, two hundred nine thousand, twenty-three".