39900023003 has 4 divisors (see below), whose sum is σ = 39901400088. Its totient is φ = 39898645920.

The previous prime is 39900022999. The next prime is 39900023011. The reversal of 39900023003 is 30032000993.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 39900023003 - 2² = 39900022999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39900023063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644126 + ... + 703347.

It is an arithmetic number, because the mean of its divisors is an integer number (9975350022).

Almost surely, 2^39900023003 is an apocalyptic number.

39900023003 is a deficient number, since it is larger than the sum of its proper divisors (1377085).

39900023003 is a wasteful number, since it uses less digits than its factorization.

39900023003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377084.

The product of its (nonzero) digits is 4374, while the sum is 29.

Adding to 39900023003 its reverse (30032000993), we get a palindrome (69932023996).

The spelling of 39900023003 in words is "thirty-nine billion, nine hundred million, twenty-three thousand, three".