238901123 has 2 divisors, whose sum is σ = 238901124. Its totient is φ = 238901122.

The previous prime is 238901111. The next prime is 238901149. The reversal of 238901123 is 321109832.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238901123 - 2⁶ = 238901059 is a prime.

It is a super-2 number, since 2×238901123² = 114147493141322258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (238901183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119450561 + 119450562.

It is an arithmetic number, because the mean of its divisors is an integer number (119450562).

Almost surely, 2^238901123 is an apocalyptic number.

238901123 is a deficient number, since it is larger than the sum of its proper divisors (1).

238901123 is an equidigital number, since it uses as much as digits as its factorization.

238901123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 238901123 is about 15456.4265921978. The cubic root of 238901123 is about 620.4965870655.

The spelling of 238901123 in words is "two hundred thirty-eight million, nine hundred one thousand, one hundred twenty-three".