403232121243 has 64 divisors (see below), whose sum is σ = 714403307520. Its totient is φ = 219960614016.

The previous prime is 403232121241. The next prime is 403232121251. The reversal of 403232121243 is 342121232304.

403232121243 is a `hidden beast` number, since 4 + 0 + 323 + 212 + 124 + 3 = 666.

It is not a de Polignac number, because 403232121243 - 2¹ = 403232121241 is a prime.

It is a super-2 number, since 2×403232121243² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (403232121241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 173355 + ... + 914612.

It is an arithmetic number, because the mean of its divisors is an integer number (11162551680).

Almost surely, 2^403232121243 is an apocalyptic number.

403232121243 is a deficient number, since it is larger than the sum of its proper divisors (311171186277).

403232121243 is a wasteful number, since it uses less digits than its factorization.

403232121243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088073 (or 1088067 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 403232121243 its reverse (342121232304), we get a palindrome (745353353547).

The spelling of 403232121243 in words is "four hundred three billion, two hundred thirty-two million, one hundred twenty-one thousand, two hundred forty-three".