23132420430 has 256 divisors, whose sum is σ = 68876697600. Its totient is φ = 4855656960.

The previous prime is 23132420419. The next prime is 23132420477. The reversal of 23132420430 is 3402423132.

It is a self number, because there is not a number n which added to its sum of digits gives 23132420430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 33476385 + ... + 33477075.

It is an arithmetic number, because the mean of its divisors is an integer number (269049600).

Almost surely, 2^23132420430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23132420430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34438348800).

23132420430 is an abundant number, since it is smaller than the sum of its proper divisors (45744277170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23132420430 is a wasteful number, since it uses less digits than its factorization.

23132420430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23132420430 its reverse (3402423132), we get a palindrome (26534843562).

The spelling of 23132420430 in words is "twenty-three billion, one hundred thirty-two million, four hundred twenty thousand, four hundred thirty".