5421240323 has 4 divisors (see below), whose sum is σ = 5656946448. Its totient is φ = 5185534200.

The previous prime is 5421240271. The next prime is 5421240329. The reversal of 5421240323 is 3230421245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3230421245 = 5 ⋅646084249.

It is a cyclic number.

It is not a de Polignac number, because 5421240323 - 2¹⁴ = 5421223939 is a prime.

It is a super-3 number, since 3×5421240323³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5421240292 and 5421240301.

It is not an unprimeable number, because it can be changed into a prime (5421240329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117853028 + ... + 117853073.

It is an arithmetic number, because the mean of its divisors is an integer number (1414236612).

Almost surely, 2^5421240323 is an apocalyptic number.

5421240323 is a deficient number, since it is larger than the sum of its proper divisors (235706125).

5421240323 is a wasteful number, since it uses less digits than its factorization.

5421240323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235706124.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 5421240323 is about 73629.0725393170. The cubic root of 5421240323 is about 1756.7078958230.

Adding to 5421240323 its reverse (3230421245), we get a palindrome (8651661568).

The spelling of 5421240323 in words is "five billion, four hundred twenty-one million, two hundred forty thousand, three hundred twenty-three".