11903123839 has 8 divisors (see below), whose sum is σ = 12057012000. Its totient is φ = 11750048352.

The previous prime is 11903123807. The next prime is 11903123861. The reversal of 11903123839 is 93832130911.

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 11903123839 - 2⁵ = 11903123807 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 (11903123539) 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, 173659 + ... + 232300.

It is an arithmetic number, because the mean of its divisors is an integer number (1507126500).

Almost surely, 2^11903123839 is an apocalyptic number.

11903123839 is a deficient number, since it is larger than the sum of its proper divisors (153888161).

11903123839 is a wasteful number, since it uses less digits than its factorization.

11903123839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406337.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 11903123839 in words is "eleven billion, nine hundred three million, one hundred twenty-three thousand, eight hundred thirty-nine".