223031231402 has 16 divisors (see below), whose sum is σ = 382347984192. Its totient is φ = 95582630880.

The previous prime is 223031231399. The next prime is 223031231411. The reversal of 223031231402 is 204132130322.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 556502 + ... + 869342.

It is an arithmetic number, because the mean of its divisors is an integer number (23896749012).

Almost surely, 2^223031231402 is an apocalyptic number.

223031231402 is a deficient number, since it is larger than the sum of its proper divisors (159316752790).

223031231402 is a wasteful number, since it uses less digits than its factorization.

223031231402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363773.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 223031231402 its reverse (204132130322), we get a palindrome (427163361724).

The spelling of 223031231402 in words is "two hundred twenty-three billion, thirty-one million, two hundred thirty-one thousand, four hundred two".