16135923 has 8 divisors (see below), whose sum is σ = 21542608. Its totient is φ = 10743264.

The previous prime is 16135913. The next prime is 16135937. The reversal of 16135923 is 32953161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16135923 - 2⁹ = 16135411 is a prime.

It is a super-2 number, since 2×16135923² = 520736022123858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16135913) 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, 436 + ... + 5697.

It is an arithmetic number, because the mean of its divisors is an integer number (2692826).

Almost surely, 2^16135923 is an apocalyptic number.

16135923 is a deficient number, since it is larger than the sum of its proper divisors (5406685).

16135923 is an equidigital number, since it uses as much as digits as its factorization.

16135923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013.

The product of its digits is 4860, while the sum is 30.

The square root of 16135923 is about 4016.9544433563. The cubic root of 16135923 is about 252.6957499152.

The spelling of 16135923 in words is "sixteen million, one hundred thirty-five thousand, nine hundred twenty-three".