1197904923 has 16 divisors (see below), whose sum is σ = 1775894400. Its totient is φ = 798054120.

The previous prime is 1197904901. The next prime is 1197904927. The reversal of 1197904923 is 3294097911.

It is not a de Polignac number, because 1197904923 - 2⁵ = 1197904891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1197904927) 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, 26848 + ... + 55826.

It is an arithmetic number, because the mean of its divisors is an integer number (110993400).

Almost surely, 2^1197904923 is an apocalyptic number.

1197904923 is a deficient number, since it is larger than the sum of its proper divisors (577989477).

1197904923 is a wasteful number, since it uses less digits than its factorization.

1197904923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30519 (or 30513 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 1197904923 is about 34610.7631091832. The cubic root of 1197904923 is about 1062.0397779477.

The spelling of 1197904923 in words is "one billion, one hundred ninety-seven million, nine hundred four thousand, nine hundred twenty-three".