23151144025 has 9 divisors (see below), whose sum is σ = 28708361983. Its totient is φ = 18520306600.

The previous prime is 23151143999. The next prime is 23151144059. The reversal of 23151144025 is 52044115132.

The square root of 23151144025 is 152155.

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

It can be written as a sum of positive squares in only one way, i.e., 8334411849 + 14816732176 = 91293^2 + 121724^2 .

It is not a de Polignac number, because 23151144025 - 2¹⁷ = 23151012953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23151143984 and 23151144002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 745560 + ... + 775990.

Almost surely, 2^23151144025 is an apocalyptic number.

23151144025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23151144025 is the 152155-th square number.

23151144025 is the 76078-th centered octagonal number.

It is an amenable number.

23151144025 is a deficient number, since it is larger than the sum of its proper divisors (5557217958).

23151144025 is an frugal number, since it uses more digits than its factorization.

23151144025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60872 (or 30436 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 23151144025 its reverse (52044115132), we get a palindrome (75195259157).

The spelling of 23151144025 in words is "twenty-three billion, one hundred fifty-one million, one hundred forty-four thousand, twenty-five".