23440023252425 has 24 divisors (see below), whose sum is σ = 31304731993920. Its totient is φ = 17307738734400.

The previous prime is 23440023252361. The next prime is 23440023252449. The reversal of 23440023252425 is 52425232004432.

It is not a de Polignac number, because 23440023252425 - 2⁶ = 23440023252361 is a prime.

It is a super-3 number, since 3×23440023252425³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 680261 + ... + 6880610.

It is an arithmetic number, because the mean of its divisors is an integer number (1304363833080).

Almost surely, 2^{23440023252425} is an apocalyptic number.

23440023252425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23440023252425 is a deficient number, since it is larger than the sum of its proper divisors (7864708741495).

23440023252425 is a wasteful number, since it uses less digits than its factorization.

23440023252425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570433 (or 7570428 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 38.

Adding to 23440023252425 its reverse (52425232004432), we get a palindrome (75865255256857).

The spelling of 23440023252425 in words is "twenty-three trillion, four hundred forty billion, twenty-three million, two hundred fifty-two thousand, four hundred twenty-five".