423431233430 has 32 divisors (see below), whose sum is σ = 795608006400. Its totient is φ = 162093294720.

The previous prime is 423431233411. The next prime is 423431233469. The reversal of 423431233430 is 34332134324.

It is a super-2 number, since 2×423431233430² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9357830 + ... + 9402969.

It is an arithmetic number, because the mean of its divisors is an integer number (24862750200).

Almost surely, 2^423431233430 is an apocalyptic number.

423431233430 is a deficient number, since it is larger than the sum of its proper divisors (372176772970).

423431233430 is a wasteful number, since it uses less digits than its factorization.

423431233430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18760904.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 423431233430 its reverse (34332134324), we get a palindrome (457763367754).

The spelling of 423431233430 in words is "four hundred twenty-three billion, four hundred thirty-one million, two hundred thirty-three thousand, four hundred thirty".