23430023040 has 64 divisors (see below), whose sum is σ = 74683204560. Its totient is φ = 6248005632.

The previous prime is 23430023017. The next prime is 23430023047. The reversal of 23430023040 is 4032003432.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 23430022998 and 23430023016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23430023047) 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, 6099649 + ... + 6103488.

Almost surely, 2^23430023040 is an apocalyptic number.

23430023040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23430023040 is an abundant number, since it is smaller than the sum of its proper divisors (51253181520).

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

23430023040 is a wasteful number, since it uses less digits than its factorization.

23430023040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12203159 (or 12203147 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 23430023040 its reverse (4032003432), we get a palindrome (27462026472).

The spelling of 23430023040 in words is "twenty-three billion, four hundred thirty million, twenty-three thousand, forty".