23143425 has 48 divisors (see below), whose sum is σ = 40920000. Its totient is φ = 11508480.

The previous prime is 23143423. The next prime is 23143429. The reversal of 23143425 is 52434132.

It is not a de Polignac number, because 23143425 - 2¹ = 23143423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23143395 and 23143404.

It is not an unprimeable number, because it can be changed into a prime (23143423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155251 + ... + 155399.

It is an arithmetic number, because the mean of its divisors is an integer number (852500).

Almost surely, 2^23143425 is an apocalyptic number.

23143425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23143425 is a deficient number, since it is larger than the sum of its proper divisors (17776575).

23143425 is a wasteful number, since it uses less digits than its factorization.

23143425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 285 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 23143425 is about 4810.7613742525. The cubic root of 23143425 is about 284.9766062670.

Adding to 23143425 its reverse (52434132), we get a palindrome (75577557).

The spelling of 23143425 in words is "twenty-three million, one hundred forty-three thousand, four hundred twenty-five".