4291321023 has 60 divisors (see below), whose sum is σ = 7059787800. Its totient is φ = 2508881760.

The previous prime is 4291321003. The next prime is 4291321061. The reversal of 4291321023 is 3201231924.

It is a happy number.

4291321023 is a `hidden beast` number, since 429 + 1 + 3 + 210 + 23 = 666.

It is not a de Polignac number, because 4291321023 - 2²¹ = 4289223871 is a prime.

It is a super-2 number, since 2×4291321023² = 36830872244883533058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4291321003) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3820740 + ... + 3821862.

It is an arithmetic number, because the mean of its divisors is an integer number (117663130).

Almost surely, 2^4291321023 is an apocalyptic number.

4291321023 is a deficient number, since it is larger than the sum of its proper divisors (2768466777).

4291321023 is a wasteful number, since it uses less digits than its factorization.

4291321023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 4291321023 is about 65508.1752379045. The cubic root of 4291321023 is about 1625.0385503123.

Adding to 4291321023 its reverse (3201231924), we get a palindrome (7492552947).

It can be divided in two parts, 42913 and 21023, that added together give a palindrome (63936).

The spelling of 4291321023 in words is "four billion, two hundred ninety-one million, three hundred twenty-one thousand, twenty-three".