238023042177755 has 16 divisors (see below), whose sum is σ = 285733942356384. Its totient is φ = 190347574690560.

The previous prime is 238023042177727. The next prime is 238023042177763. The reversal of 238023042177755 is 557771240320832.

It is not a de Polignac number, because 238023042177755 - 2²⁴ = 238023025400539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238023042177755.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1733264495 + ... + 1733401815.

It is an arithmetic number, because the mean of its divisors is an integer number (17858371397274).

Almost surely, 2^{238023042177755} is an apocalyptic number.

238023042177755 is a deficient number, since it is larger than the sum of its proper divisors (47710900178629).

238023042177755 is a wasteful number, since it uses less digits than its factorization.

238023042177755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263806.

The product of its (nonzero) digits is 19756800, while the sum is 56.

The spelling of 238023042177755 in words is "two hundred thirty-eight trillion, twenty-three billion, forty-two million, one hundred seventy-seven thousand, seven hundred fifty-five".