23440061507 has 8 divisors (see below), whose sum is σ = 25302615840. Its totient is φ = 21647792320.

The previous prime is 23440061479. The next prime is 23440061537. The reversal of 23440061507 is 70516004432.

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 23440061507 - 2²⁶ = 23372952643 is a prime.

It is a super-2 number, since 2×23440061507² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23440061537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17570594 + ... + 17571927.

It is an arithmetic number, because the mean of its divisors is an integer number (3162826980).

Almost surely, 2^23440061507 is an apocalyptic number.

23440061507 is a deficient number, since it is larger than the sum of its proper divisors (1862554333).

23440061507 is a wasteful number, since it uses less digits than its factorization.

23440061507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35142573.

The product of its (nonzero) digits is 20160, while the sum is 32.

Adding to 23440061507 its reverse (70516004432), we get a palindrome (93956065939).

The spelling of 23440061507 in words is "twenty-three billion, four hundred forty million, sixty-one thousand, five hundred seven".