238358708553 has 32 divisors (see below), whose sum is σ = 398952806400. Its totient is φ = 123426014976.

The previous prime is 238358708537. The next prime is 238358708573. The reversal of 238358708553 is 355807853832.

It is not a de Polignac number, because 238358708553 - 2⁴ = 238358708537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 238358708493 and 238358708502.

It is not an unprimeable number, because it can be changed into a prime (238358708573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12977568 + ... + 12995921.

It is an arithmetic number, because the mean of its divisors is an integer number (12467275200).

Almost surely, 2^238358708553 is an apocalyptic number.

238358708553 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

238358708553 is a deficient number, since it is larger than the sum of its proper divisors (160594097847).

238358708553 is a wasteful number, since it uses less digits than its factorization.

238358708553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25973541.

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 238358708553 in words is "two hundred thirty-eight billion, three hundred fifty-eight million, seven hundred eight thousand, five hundred fifty-three".