23430450432 has 72 divisors (see below), whose sum is σ = 63060016320. Its totient is φ = 7722373120.

The previous prime is 23430450431. The next prime is 23430450437. The reversal of 23430450432 is 23405403432.

It is a self number, because there is not a number n which added to its sum of digits gives 23430450432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23430450431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103044 + ... + 239747.

It is an arithmetic number, because the mean of its divisors is an integer number (875833560).

Almost surely, 2^23430450432 is an apocalyptic number.

It is an amenable number.

23430450432 is an abundant number, since it is smaller than the sum of its proper divisors (39629565888).

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

23430450432 is an equidigital number, since it uses as much as digits as its factorization.

23430450432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342899 (or 342885 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 23430450432 its reverse (23405403432), we get a palindrome (46835853864).

The spelling of 23430450432 in words is "twenty-three billion, four hundred thirty million, four hundred fifty thousand, four hundred thirty-two".