23436867492 has 18 divisors (see below), whose sum is σ = 59243192918. Its totient is φ = 7812289152.

The previous prime is 23436867481. The next prime is 23436867521. The reversal of 23436867492 is 29476863432.

23436867492 is a `hidden beast` number, since 2 + 34 + 3 + 68 + 67 + 492 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18348327936 + 5088539556 = 135456^2 + 71334^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 325512013 + ... + 325512084.

Almost surely, 2^23436867492 is an apocalyptic number.

It is an amenable number.

23436867492 is an abundant number, since it is smaller than the sum of its proper divisors (35806325426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23436867492 is a wasteful number, since it uses less digits than its factorization.

23436867492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651024107 (or 651024102 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 54.

The spelling of 23436867492 in words is "twenty-three billion, four hundred thirty-six million, eight hundred sixty-seven thousand, four hundred ninety-two".