11735778923 has 8 divisors (see below), whose sum is σ = 13044228336. Its totient is φ = 10467589600.

The previous prime is 11735778917. The next prime is 11735778937. The reversal of 11735778923 is 32987753711.

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 11735778923 - 2¹⁶ = 11735713387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11735778983) 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, 10064408 + ... + 10065573.

It is an arithmetic number, because the mean of its divisors is an integer number (1630528542).

Almost surely, 2^11735778923 is an apocalyptic number.

11735778923 is a deficient number, since it is larger than the sum of its proper divisors (1308449413).

11735778923 is a wasteful number, since it uses less digits than its factorization.

11735778923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20130045.

The product of its digits is 2222640, while the sum is 53.

The spelling of 11735778923 in words is "eleven billion, seven hundred thirty-five million, seven hundred seventy-eight thousand, nine hundred twenty-three".