23388050247 has 16 divisors (see below), whose sum is σ = 33144034560. Its totient is φ = 14627984832.

The previous prime is 23388050243. The next prime is 23388050267. The reversal of 23388050247 is 74205088332.

It is not a de Polignac number, because 23388050247 - 2² = 23388050243 is a prime.

It is a super-2 number, since 2×23388050247² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23388050199 and 23388050208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23388050243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1985958 + ... + 1997699.

It is an arithmetic number, because the mean of its divisors is an integer number (2071502160).

Almost surely, 2^23388050247 is an apocalyptic number.

23388050247 is a deficient number, since it is larger than the sum of its proper divisors (9755984313).

23388050247 is a wasteful number, since it uses less digits than its factorization.

23388050247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3983782.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 23388050247 in words is "twenty-three billion, three hundred eighty-eight million, fifty thousand, two hundred forty-seven".