220435454223 has 24 divisors (see below), whose sum is σ = 330187284128. Its totient is φ = 141596932032.

The previous prime is 220435454219. The next prime is 220435454227. The reversal of 220435454223 is 322454534022.

220435454223 is a `hidden beast` number, since 2 + 2 + 0 + 43 + 54 + 542 + 23 = 666.

It is an interprime number because it is at equal distance from previous prime (220435454219) and next prime (220435454227).

It is not a de Polignac number, because 220435454223 - 2² = 220435454219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220435454227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3179140 + ... + 3247737.

Almost surely, 2^220435454223 is an apocalyptic number.

220435454223 is a deficient number, since it is larger than the sum of its proper divisors (109751829905).

220435454223 is a wasteful number, since it uses less digits than its factorization.

220435454223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6427023 (or 6427020 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 220435454223 its reverse (322454534022), we get a palindrome (542889988245).

The spelling of 220435454223 in words is "two hundred twenty billion, four hundred thirty-five million, four hundred fifty-four thousand, two hundred twenty-three".