23020012432 has 20 divisors (see below), whose sum is σ = 44655625116. Its totient is φ = 11495980160.

The previous prime is 23020012427. The next prime is 23020012439. The reversal of 23020012432 is 23421002032.

It can be written as a sum of positive squares in 2 ways, for example, as 16201216656 + 6818795776 = 127284^2 + 82576^2 .

It is not an unprimeable number, because it can be changed into a prime (23020012439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863083 + ... + 889354.

Almost surely, 2^23020012432 is an apocalyptic number.

It is an amenable number.

23020012432 is a deficient number, since it is larger than the sum of its proper divisors (21635612684).

23020012432 is a wasteful number, since it uses less digits than its factorization.

23020012432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753266 (or 1753260 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 23020012432 its reverse (23421002032), we get a palindrome (46441014464).

The spelling of 23020012432 in words is "twenty-three billion, twenty million, twelve thousand, four hundred thirty-two".