1923102378311 has 4 divisors (see below), whose sum is σ = 1923197994312. Its totient is φ = 1923006762312.

The previous prime is 1923102378271. The next prime is 1923102378319. The reversal of 1923102378311 is 1138732013291.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1923102378311 - 2²⁶ = 1923035269447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1923102378319) 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 3 ways as a sum of consecutive naturals, for example, 47777825 + ... + 47818058.

It is an arithmetic number, because the mean of its divisors is an integer number (480799498578).

Almost surely, 2^{1923102378311} is an apocalyptic number.

1923102378311 is a deficient number, since it is larger than the sum of its proper divisors (95616001).

1923102378311 is an equidigital number, since it uses as much as digits as its factorization.

1923102378311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95616000.

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

The spelling of 1923102378311 in words is "one trillion, nine hundred twenty-three billion, one hundred two million, three hundred seventy-eight thousand, three hundred eleven".