23451670989 has 16 divisors (see below), whose sum is σ = 34760420800. Its totient is φ = 15626705328.

The previous prime is 23451670939. The next prime is 23451670997. The reversal of 23451670989 is 98907615432.

23451670989 is a `hidden beast` number, since 2 + 34 + 516 + 7 + 0 + 98 + 9 = 666.

It is not a de Polignac number, because 23451670989 - 2¹¹ = 23451668941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23451670909) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 159259 + ... + 268824.

It is an arithmetic number, because the mean of its divisors is an integer number (2172526300).

It is a 1-persistent number, because it is pandigital, but 2⋅23451670989 = 46903341978 is not.

Almost surely, 2^23451670989 is an apocalyptic number.

It is an amenable number.

23451670989 is a deficient number, since it is larger than the sum of its proper divisors (11308749811).

23451670989 is a wasteful number, since it uses less digits than its factorization.

23451670989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430121 (or 430115 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 23451670989 in words is "twenty-three billion, four hundred fifty-one million, six hundred seventy thousand, nine hundred eighty-nine".