23785438007 has 8 divisors (see below), whose sum is σ = 23958436992. Its totient is φ = 23612643000.

The previous prime is 23785437989. The next prime is 23785438009. The reversal of 23785438007 is 70083458732.

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 23785438007 - 2⁸ = 23785437751 is a prime.

It is a super-2 number, since 2×23785438007² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23785438009) 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, 187088 + ... + 287354.

It is an arithmetic number, because the mean of its divisors is an integer number (2994804624).

Almost surely, 2^23785438007 is an apocalyptic number.

23785438007 is a deficient number, since it is larger than the sum of its proper divisors (172998985).

23785438007 is a wasteful number, since it uses less digits than its factorization.

23785438007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101989.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 23785438007 in words is "twenty-three billion, seven hundred eighty-five million, four hundred thirty-eight thousand, seven".