11823728097 has 8 divisors (see below), whose sum is σ = 15782128960. Its totient is φ = 7873906320.

The previous prime is 11823728093. The next prime is 11823728117. The reversal of 11823728097 is 79082732811.

It is a happy number.

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

It is not a de Polignac number, because 11823728097 - 2² = 11823728093 is a prime.

It is a super-2 number, since 2×11823728097² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11823728093) 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, 2141554 + ... + 2147067.

It is an arithmetic number, because the mean of its divisors is an integer number (1972766120).

Almost surely, 2^11823728097 is an apocalyptic number.

It is an amenable number.

11823728097 is a deficient number, since it is larger than the sum of its proper divisors (3958400863).

11823728097 is an equidigital number, since it uses as much as digits as its factorization.

11823728097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4289543.

The product of its (nonzero) digits is 338688, while the sum is 48.

The spelling of 11823728097 in words is "eleven billion, eight hundred twenty-three million, seven hundred twenty-eight thousand, ninety-seven".