1923105130 has 32 divisors (see below), whose sum is σ = 3584528640. Its totient is φ = 741975360.

The previous prime is 1923105113. The next prime is 1923105139. The reversal of 1923105130 is 315013291.

It is a junction number, because it is equal to n+sod(n) for n = 1923105095 and 1923105104.

It is not an unprimeable number, because it can be changed into a prime (1923105139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354297 + ... + 359683.

It is an arithmetic number, because the mean of its divisors is an integer number (112016520).

Almost surely, 2^1923105130 is an apocalyptic number.

1923105130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1923105130 is a deficient number, since it is larger than the sum of its proper divisors (1661423510).

1923105130 is a wasteful number, since it uses less digits than its factorization.

1923105130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6654.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1923105130 is about 43853.2225725773. Note that the first 3 decimals coincide. The cubic root of 1923105130 is about 1243.5626665657.

The spelling of 1923105130 in words is "one billion, nine hundred twenty-three million, one hundred five thousand, one hundred thirty".