423213545553 has 16 divisors (see below), whose sum is σ = 571142741760. Its totient is φ = 278719109504.

The previous prime is 423213545543. The next prime is 423213545563. The reversal of 423213545553 is 355545312324.

It is an interprime number because it is at equal distance from previous prime (423213545543) and next prime (423213545563).

It is a cyclic number.

It is not a de Polignac number, because 423213545553 - 2¹⁶ = 423213480017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (423213545533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 424026 + ... + 1013027.

It is an arithmetic number, because the mean of its divisors is an integer number (35696421360).

Almost surely, 2^423213545553 is an apocalyptic number.

It is an amenable number.

423213545553 is a deficient number, since it is larger than the sum of its proper divisors (147929196207).

423213545553 is a wasteful number, since it uses less digits than its factorization.

423213545553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438248.

The product of its digits is 1080000, while the sum is 42.

Adding to 423213545553 its reverse (355545312324), we get a palindrome (778758857877).

The spelling of 423213545553 in words is "four hundred twenty-three billion, two hundred thirteen million, five hundred forty-five thousand, five hundred fifty-three".