23245020320 has 24 divisors (see below), whose sum is σ = 54916360884. Its totient is φ = 9298008064.

The previous prime is 23245020287. The next prime is 23245020343. The reversal of 23245020320 is 2302054232.

It can be written as a sum of positive squares in 2 ways, for example, as 22932862096 + 312158224 = 151436^2 + 17668^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72640529 + ... + 72640848.

Almost surely, 2^23245020320 is an apocalyptic number.

23245020320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23245020320 is an abundant number, since it is smaller than the sum of its proper divisors (31671340564).

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

23245020320 is a wasteful number, since it uses less digits than its factorization.

23245020320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145281392 (or 145281384 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

Adding to 23245020320 its reverse (2302054232), we get a palindrome (25547074552).

The spelling of 23245020320 in words is "twenty-three billion, two hundred forty-five million, twenty thousand, three hundred twenty".