1233650023 has 4 divisors (see below), whose sum is σ = 1233721960. Its totient is φ = 1233578088.

The previous prime is 1233649997. The next prime is 1233650027. The reversal of 1233650023 is 3200563321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3200563321 = 23 ⋅139154927.

It is a cyclic number.

It is not a de Polignac number, because 1233650023 - 2¹³ = 1233641831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1233650023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233650027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6361 + ... + 50077.

It is an arithmetic number, because the mean of its divisors is an integer number (308430490).

Almost surely, 2^1233650023 is an apocalyptic number.

1233650023 is a deficient number, since it is larger than the sum of its proper divisors (71937).

1233650023 is an equidigital number, since it uses as much as digits as its factorization.

1233650023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71936.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1233650023 is about 35123.3543813799. The cubic root of 1233650023 is about 1072.5000564729.

The spelling of 1233650023 in words is "one billion, two hundred thirty-three million, six hundred fifty thousand, twenty-three".