23000002 has 4 divisors (see below), whose sum is σ = 34500006. Its totient is φ = 11500000.

The previous prime is 22999993. The next prime is 23000009. The reversal of 23000002 is 20000032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22099401 + 900601 = 4701^2 + 949^2 .

It is not an unprimeable number, because it can be changed into a prime (23000009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5749999 + ... + 5750002.

Almost surely, 2^23000002 is an apocalyptic number.

23000002 is a deficient number, since it is larger than the sum of its proper divisors (11500004).

23000002 is a wasteful number, since it uses less digits than its factorization.

23000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11500003.

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 23000002 is about 4795.8317318271. The cubic root of 23000002 is about 284.3867062282.

Adding to 23000002 its reverse (20000032), we get a palindrome (43000034).

The spelling of 23000002 in words is "twenty-three million, two", and thus it is an aban number and an uban number.