23401315555 has 8 divisors (see below), whose sum is σ = 28092654000. Its totient is φ = 18713668896.

The previous prime is 23401315517. The next prime is 23401315577. The reversal of 23401315555 is 55551310432.

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 23401315555 - 2⁹ = 23401315043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23401315555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 908980 + ... + 934369.

It is an arithmetic number, because the mean of its divisors is an integer number (3511581750).

Almost surely, 2^23401315555 is an apocalyptic number.

23401315555 is a deficient number, since it is larger than the sum of its proper divisors (4691338445).

23401315555 is a wasteful number, since it uses less digits than its factorization.

23401315555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845893.

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 23401315555 its reverse (55551310432), we get a palindrome (78952625987).

The spelling of 23401315555 in words is "twenty-three billion, four hundred one million, three hundred fifteen thousand, five hundred fifty-five".