1902116923 has 8 divisors (see below), whose sum is σ = 2288261120. Its totient is φ = 1544576040.

The previous prime is 1902116917. The next prime is 1902116929. The reversal of 1902116923 is 3296112091.

It is an interprime number because it is at equal distance from previous prime (1902116917) and next prime (1902116929).

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

It is not a de Polignac number, because 1902116923 - 2²⁵ = 1868562491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1902116929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7150683 + ... + 7150948.

It is an arithmetic number, because the mean of its divisors is an integer number (286032640).

Almost surely, 2^1902116923 is an apocalyptic number.

1902116923 is a deficient number, since it is larger than the sum of its proper divisors (386144197).

1902116923 is a wasteful number, since it uses less digits than its factorization.

1902116923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14301657.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 1902116923 is about 43613.2654475677. The cubic root of 1902116923 is about 1239.0221485639.

The spelling of 1902116923 in words is "one billion, nine hundred two million, one hundred sixteen thousand, nine hundred twenty-three".