213496737923 has 8 divisors (see below), whose sum is σ = 256838181120. Its totient is φ = 173365772040.

The previous prime is 213496737907. The next prime is 213496737929. The reversal of 213496737923 is 329737694312.

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 213496737923 - 2⁴ = 213496737907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213496737929) 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, 802619183 + ... + 802619448.

It is an arithmetic number, because the mean of its divisors is an integer number (32104772640).

Almost surely, 2^213496737923 is an apocalyptic number.

213496737923 is a deficient number, since it is larger than the sum of its proper divisors (43341443197).

213496737923 is a wasteful number, since it uses less digits than its factorization.

213496737923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605238657.

The product of its digits is 10287648, while the sum is 56.

The spelling of 213496737923 in words is "two hundred thirteen billion, four hundred ninety-six million, seven hundred thirty-seven thousand, nine hundred twenty-three".