11388907623 has 8 divisors (see below), whose sum is σ = 15327128448. Its totient is φ = 7521645944.

The previous prime is 11388907571. The next prime is 11388907693. The reversal of 11388907623 is 32670988311.

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 11388907623 - 2⁶ = 11388907559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11388907693) 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, 17739411 + ... + 17740052.

It is an arithmetic number, because the mean of its divisors is an integer number (1915891056).

Almost surely, 2^11388907623 is an apocalyptic number.

11388907623 is a deficient number, since it is larger than the sum of its proper divisors (3938220825).

11388907623 is a wasteful number, since it uses less digits than its factorization.

11388907623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35479573.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 11388907623 in words is "eleven billion, three hundred eighty-eight million, nine hundred seven thousand, six hundred twenty-three".