221431234123003 has 8 divisors (see below), whose sum is σ = 222987882813696. Its totient is φ = 219879999863400.

The previous prime is 221431234122997. The next prime is 221431234123061. The reversal of 221431234123003 is 300321432134122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221431234123003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221431234123103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353525693 + ... + 1353689278.

It is an arithmetic number, because the mean of its divisors is an integer number (27873485351712).

Almost surely, 2^{221431234123003} is an apocalyptic number.

221431234123003 is a deficient number, since it is larger than the sum of its proper divisors (1556648690693).

221431234123003 is a wasteful number, since it uses less digits than its factorization.

221431234123003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707215545.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 221431234123003 its reverse (300321432134122), we get a palindrome (521752666257125).

The spelling of 221431234123003 in words is "two hundred twenty-one trillion, four hundred thirty-one billion, two hundred thirty-four million, one hundred twenty-three thousand, three".