23415204257 has 8 divisors (see below), whose sum is σ = 24556041600. Its totient is φ = 22284599040.

The previous prime is 23415204251. The next prime is 23415204277. The reversal of 23415204257 is 75240251432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23415204257 - 2⁶ = 23415204193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23415204251) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2553344 + ... + 2562497.

It is an arithmetic number, because the mean of its divisors is an integer number (3069505200).

Almost surely, 2^23415204257 is an apocalyptic number.

It is an amenable number.

23415204257 is a deficient number, since it is larger than the sum of its proper divisors (1140837343).

23415204257 is a wasteful number, since it uses less digits than its factorization.

23415204257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5116063.

The product of its (nonzero) digits is 67200, while the sum is 35.

Adding to 23415204257 its reverse (75240251432), we get a palindrome (98655455689).

The spelling of 23415204257 in words is "twenty-three billion, four hundred fifteen million, two hundred four thousand, two hundred fifty-seven".