201132290923 has 4 divisors (see below), whose sum is σ = 201137092920. Its totient is φ = 201127488928.

The previous prime is 201132290917. The next prime is 201132290951. The reversal of 201132290923 is 329092231102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201132290923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201132290423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337613 + ... + 2422126.

It is an arithmetic number, because the mean of its divisors is an integer number (50284273230).

Almost surely, 2^201132290923 is an apocalyptic number.

201132290923 is a deficient number, since it is larger than the sum of its proper divisors (4801997).

201132290923 is an equidigital number, since it uses as much as digits as its factorization.

201132290923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801996.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 201132290923 in words is "two hundred one billion, one hundred thirty-two million, two hundred ninety thousand, nine hundred twenty-three".