238223638154007 has 36 divisors (see below), whose sum is σ = 383407696107072. Its totient is φ = 142400182161600.

The previous prime is 238223638153997. The next prime is 238223638154069. The reversal of 238223638154007 is 700451836322832.

238223638154007 is a `hidden beast` number, since 2 + 3 + 8 + 223 + 6 + 3 + 8 + 1 + 5 + 400 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-238223638154007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238223638154077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1498238919 + ... + 1498397912.

It is an arithmetic number, because the mean of its divisors is an integer number (10650213780752).

Almost surely, 2^{238223638154007} is an apocalyptic number.

238223638154007 is a deficient number, since it is larger than the sum of its proper divisors (145184057953065).

238223638154007 is a wasteful number, since it uses less digits than its factorization.

238223638154007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996636932 (or 2996636918 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 238223638154007 in words is "two hundred thirty-eight trillion, two hundred twenty-three billion, six hundred thirty-eight million, one hundred fifty-four thousand, seven".