23415320000 has 70 divisors (see below), whose sum is σ = 58062482808. Its totient is φ = 9366112000.

The previous prime is 23415319933. The next prime is 23415320009. The reversal of 23415320000 is 2351432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23415320009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 252692 + ... + 332691.

Almost surely, 2^23415320000 is an apocalyptic number.

23415320000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23415320000 is an abundant number, since it is smaller than the sum of its proper divisors (34647162808).

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

23415320000 is an frugal number, since it uses more digits than its factorization.

23415320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585415 (or 585390 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 23415320000 its reverse (2351432), we get a palindrome (23417671432).

The spelling of 23415320000 in words is "twenty-three billion, four hundred fifteen million, three hundred twenty thousand".