66126023 has 8 divisors (see below), whose sum is σ = 69735600. Its totient is φ = 62529408.

The previous prime is 66126019. The next prime is 66126029. The reversal of 66126023 is 32062166.

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 66126023 - 2² = 66126019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66125983 and 66126001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66126029) 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, 8333 + ... + 14201.

It is an arithmetic number, because the mean of its divisors is an integer number (8716950).

Almost surely, 2^66126023 is an apocalyptic number.

66126023 is a deficient number, since it is larger than the sum of its proper divisors (3609577).

66126023 is a wasteful number, since it uses less digits than its factorization.

66126023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6481.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 66126023 is about 8131.7908851618. The cubic root of 66126023 is about 404.3810552856.

Adding to 66126023 its reverse (32062166), we get a palindrome (98188189).

The spelling of 66126023 in words is "sixty-six million, one hundred twenty-six thousand, twenty-three".