11902923 has 8 divisors (see below), whose sum is σ = 17634000. Its totient is φ = 7935264.

The previous prime is 11902921. The next prime is 11902931. The reversal of 11902923 is 32920911.

It is not a de Polignac number, because 11902923 - 2¹ = 11902921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 440849 = 11902923 / (1 + 1 + 9 + 0 + 2 + 9 + 2 + 3).

It is not an unprimeable number, because it can be changed into a prime (11902921) 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, 220398 + ... + 220451.

It is an arithmetic number, because the mean of its divisors is an integer number (2204250).

Almost surely, 2^11902923 is an apocalyptic number.

11902923 is a deficient number, since it is larger than the sum of its proper divisors (5731077).

11902923 is an equidigital number, since it uses as much as digits as its factorization.

11902923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440858 (or 440852 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 11902923 is about 3450.0613038032. The cubic root of 11902923 is about 228.3238127465.

The spelling of 11902923 in words is "eleven million, nine hundred two thousand, nine hundred twenty-three".