281137345023 has 8 divisors (see below), whose sum is σ = 374854537008. Its totient is φ = 187422524864.

The previous prime is 281137345019. The next prime is 281137345057. The reversal of 281137345023 is 320543731182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 281137345023 - 2² = 281137345019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281137745023) 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 7 ways as a sum of consecutive naturals, for example, 294990 + ... + 805787.

It is an arithmetic number, because the mean of its divisors is an integer number (46856817126).

Almost surely, 2^281137345023 is an apocalyptic number.

281137345023 is a deficient number, since it is larger than the sum of its proper divisors (93717191985).

281137345023 is a wasteful number, since it uses less digits than its factorization.

281137345023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185913.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 281137345023 in words is "two hundred eighty-one billion, one hundred thirty-seven million, three hundred forty-five thousand, twenty-three".