11423690 has 16 divisors (see below), whose sum is σ = 20776392. Its totient is φ = 4521984.

The previous prime is 11423689. The next prime is 11423747. The reversal of 11423690 is 9632411.

It can be written as a sum of positive squares in 4 ways, for example, as 9803161 + 1620529 = 3131^2 + 1273^2 .

It is a super-2 number, since 2×11423690² = 261001386432200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4919 + ... + 6858.

Almost surely, 2^11423690 is an apocalyptic number.

11423690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11423690 is a deficient number, since it is larger than the sum of its proper divisors (9352702).

11423690 is a wasteful number, since it uses less digits than its factorization.

11423690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11881.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 11423690 is about 3379.8949687823. The cubic root of 11423690 is about 225.2175016133.

The spelling of 11423690 in words is "eleven million, four hundred twenty-three thousand, six hundred ninety".