238356352253 has 2 divisors, whose sum is σ = 238356352254. Its totient is φ = 238356352252.

The previous prime is 238356352193. The next prime is 238356352277. The reversal of 238356352253 is 352253653832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210252512089 + 28103840164 = 458533^2 + 167642^2 .

It is a cyclic number.

It is not a de Polignac number, because 238356352253 - 2⁶ = 238356352189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238356352198 and 238356352207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238356352753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119178176126 + 119178176127.

It is an arithmetic number, because the mean of its divisors is an integer number (119178176127).

Almost surely, 2^238356352253 is an apocalyptic number.

It is an amenable number.

238356352253 is a deficient number, since it is larger than the sum of its proper divisors (1).

238356352253 is an equidigital number, since it uses as much as digits as its factorization.

238356352253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888000, while the sum is 47.

The spelling of 238356352253 in words is "two hundred thirty-eight billion, three hundred fifty-six million, three hundred fifty-two thousand, two hundred fifty-three".