15642672023 has 8 divisors (see below), whose sum is σ = 17427813120. Its totient is φ = 13918044280.

The previous prime is 15642672011. The next prime is 15642672103. The reversal of 15642672023 is 32027624651.

15642672023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15642672023 - 2¹² = 15642667927 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 (15642672223) 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, 15127793 + ... + 15128826.

It is an arithmetic number, because the mean of its divisors is an integer number (2178476640).

Almost surely, 2^15642672023 is an apocalyptic number.

15642672023 is a deficient number, since it is larger than the sum of its proper divisors (1785141097).

15642672023 is a wasteful number, since it uses less digits than its factorization.

15642672023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30256677.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 15642672023 in words is "fifteen billion, six hundred forty-two million, six hundred seventy-two thousand, twenty-three".