1023136001897 has 8 divisors (see below), whose sum is σ = 1029690367752. Its totient is φ = 1016582112000.

The previous prime is 1023136001891. The next prime is 1023136001911. The reversal of 1023136001897 is 7981006313201.

It can be written as a sum of positive squares in 4 ways, for example, as 522019255081 + 501116746816 = 722509^2 + 707896^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023136001897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023136001891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4858247 + ... + 5064467.

It is an arithmetic number, because the mean of its divisors is an integer number (128711295969).

Almost surely, 2^{1023136001897} is an apocalyptic number.

It is an amenable number.

1023136001897 is a deficient number, since it is larger than the sum of its proper divisors (6554365855).

1023136001897 is a wasteful number, since it uses less digits than its factorization.

1023136001897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237979.

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 1023136001897 in words is "one trillion, twenty-three billion, one hundred thirty-six million, one thousand, eight hundred ninety-seven".