23005305625 has 15 divisors (see below), whose sum is σ = 28752169017. Its totient is φ = 18401211000.

The previous prime is 23005305553. The next prime is 23005305637. The reversal of 23005305625 is 52650350032.

The square root of 23005305625 is 151675.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 1803615961 + 21201689664 = 42469^2 + 145608^2 .

It is a de Polignac number, because none of the positive numbers 2^k-23005305625 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 3788842 + ... + 3794908.

Almost surely, 2^23005305625 is an apocalyptic number.

23005305625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23005305625 is the 151675-th square number.

23005305625 is the 75838-th centered octagonal number.

It is an amenable number.

23005305625 is a deficient number, since it is larger than the sum of its proper divisors (5746863392).

23005305625 is an frugal number, since it uses more digits than its factorization.

23005305625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12154 (or 6072 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 23005305625 its reverse (52650350032), we get a palindrome (75655655657).

The spelling of 23005305625 in words is "twenty-three billion, five million, three hundred five thousand, six hundred twenty-five".