238023042177629 has 2 divisors, whose sum is σ = 238023042177630. Its totient is φ = 238023042177628.

The previous prime is 238023042177611. The next prime is 238023042177643. The reversal of 238023042177629 is 926771240320832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229431548412004 + 8591493765625 = 15146998^2 + 2931125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238023042177629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238023042177229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119011521088814 + 119011521088815.

It is an arithmetic number, because the mean of its divisors is an integer number (119011521088815).

Almost surely, 2^{238023042177629} is an apocalyptic number.

It is an amenable number.

238023042177629 is a deficient number, since it is larger than the sum of its proper divisors (1).

238023042177629 is an equidigital number, since it uses as much as digits as its factorization.

238023042177629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 238023042177629 in words is "two hundred thirty-eight trillion, twenty-three billion, forty-two million, one hundred seventy-seven thousand, six hundred twenty-nine".