23785257039 has 8 divisors (see below), whose sum is σ = 33579186480. Its totient is φ = 14924082816.

The previous prime is 23785257029. The next prime is 23785257043. The reversal of 23785257039 is 93075258732.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23785257039 - 2²³ = 23776868431 is a prime.

It is a super-2 number, since 2×23785257039² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 466377589 = 23785257039 / (2 + 3 + 7 + 8 + 5 + 2 + 5 + 7 + 0 + 3 + 9).

It is a junction number, because it is equal to n+sod(n) for n = 23785256982 and 23785257000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23785257029) 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, 233188744 + ... + 233188845.

It is an arithmetic number, because the mean of its divisors is an integer number (4197398310).

Almost surely, 2^23785257039 is an apocalyptic number.

23785257039 is a deficient number, since it is larger than the sum of its proper divisors (9793929441).

23785257039 is a wasteful number, since it uses less digits than its factorization.

23785257039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466377609.

The product of its (nonzero) digits is 3175200, while the sum is 51.

The spelling of 23785257039 in words is "twenty-three billion, seven hundred eighty-five million, two hundred fifty-seven thousand, thirty-nine".