39948903123 has 8 divisors (see below), whose sum is σ = 53291699136. Its totient is φ = 26619354600.

The previous prime is 39948903119. The next prime is 39948903133. The reversal of 39948903123 is 32130984993.

39948903123 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 not a de Polignac number, because 39948903123 - 2² = 39948903119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39948903133) 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, 3304833 + ... + 3316898.

It is an arithmetic number, because the mean of its divisors is an integer number (6661462392).

Almost surely, 2^39948903123 is an apocalyptic number.

39948903123 is a deficient number, since it is larger than the sum of its proper divisors (13342796013).

39948903123 is a wasteful number, since it uses less digits than its factorization.

39948903123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6623745.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The spelling of 39948903123 in words is "thirty-nine billion, nine hundred forty-eight million, nine hundred three thousand, one hundred twenty-three".