11623947 has 8 divisors (see below), whose sum is σ = 16172544. Its totient is φ = 7412328.

The previous prime is 11623943. The next prime is 11623973. The reversal of 11623947 is 74932611.

11623947 is digitally balanced in base 2, base 3 and base 4, because in such bases 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 11623947 - 2² = 11623943 is a prime.

It is a super-2 number, since 2×11623947² = 270232287717618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11623943) 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, 84163 + ... + 84300.

It is an arithmetic number, because the mean of its divisors is an integer number (2021568).

Almost surely, 2^11623947 is an apocalyptic number.

11623947 is a deficient number, since it is larger than the sum of its proper divisors (4548597).

11623947 is a wasteful number, since it uses less digits than its factorization.

11623947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168489.

The product of its digits is 9072, while the sum is 33.

The square root of 11623947 is about 3409.3910013373. The cubic root of 11623947 is about 226.5259047703.

The spelling of 11623947 in words is "eleven million, six hundred twenty-three thousand, nine hundred forty-seven".