36423566 has 4 divisors (see below), whose sum is σ = 54635352. Its totient is φ = 18211782.

The previous prime is 36423557. The next prime is 36423587. The reversal of 36423566 is 66532463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66532463 = 41 ⋅1622743.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9105890 + ... + 9105893.

It is an arithmetic number, because the mean of its divisors is an integer number (13658838).

Almost surely, 2^36423566 is an apocalyptic number.

36423566 is a deficient number, since it is larger than the sum of its proper divisors (18211786).

36423566 is a wasteful number, since it uses less digits than its factorization.

36423566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18211785.

The product of its digits is 77760, while the sum is 35.

The square root of 36423566 is about 6035.1939488305. The cubic root of 36423566 is about 331.4826643102.

The spelling of 36423566 in words is "thirty-six million, four hundred twenty-three thousand, five hundred sixty-six".