23424325425 has 72 divisors (see below), whose sum is σ = 42477944184. Its totient is φ = 12338426880.

The previous prime is 23424325423. The next prime is 23424325429. The reversal of 23424325425 is 52452342432.

23424325425 is a `hidden beast` number, since 2 + 342 + 43 + 254 + 25 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 6434767089 + 16989558336 = 80217^2 + 130344^2 .

It is not a de Polignac number, because 23424325425 - 2¹ = 23424325423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23424325425.

It is not an unprimeable number, because it can be changed into a prime (23424325423) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6109309 + ... + 6113141.

It is an arithmetic number, because the mean of its divisors is an integer number (589971447).

Almost surely, 2^23424325425 is an apocalyptic number.

23424325425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23424325425 is a deficient number, since it is larger than the sum of its proper divisors (19053618759).

23424325425 is a wasteful number, since it uses less digits than its factorization.

23424325425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4179 (or 4171 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

Adding to 23424325425 its reverse (52452342432), we get a palindrome (75876667857).

The spelling of 23424325425 in words is "twenty-three billion, four hundred twenty-four million, three hundred twenty-five thousand, four hundred twenty-five".