1023138361 has 8 divisors (see below), whose sum is σ = 1170915200. Its totient is φ = 875765088.

The previous prime is 1023138343. The next prime is 1023138407. The reversal of 1023138361 is 1638313201.

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 1023138361 - 2⁹ = 1023137849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023138461) 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, 95436 + ... + 105613.

It is an arithmetic number, because the mean of its divisors is an integer number (146364400).

Almost surely, 2^1023138361 is an apocalyptic number.

It is an amenable number.

1023138361 is a deficient number, since it is larger than the sum of its proper divisors (147776839).

1023138361 is an equidigital number, since it uses as much as digits as its factorization.

1023138361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201783.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1023138361 is about 31986.5340573186. The cubic root of 1023138361 is about 1007.6540530029.

The spelling of 1023138361 in words is "one billion, twenty-three million, one hundred thirty-eight thousand, three hundred sixty-one".